Knowledge base

The digital health glossary

Plain-language definitions of the terms used across ADHA courses and African digital-health practice — from FHIR to founding a telemedicine service.

344 terms

A

AccreditationDigital Health Practice: A formal process in which an authorized external body assesses an institution, program, or service against defined standards and grants recognition when those standards are met.
AccuracyData & Interoperability: Whether a reported value matches reality, confirmed by verification against the source document.
Adaptive managementLeadership & Strategy: Short review cycles against pre-set decision rules, documented adaptations, and the authority to redesign or stop.
Admission/Discharge/Transfer (ADT)Systems & Telemedicine: The set of core hospital messages/events that track a patient's movement into, within, and out of a facility (admission, ward transfers, discharge).
Adoption / performance / equity indicatorsImplementation: The three indicator families that belong permanently on every dashboard: active use, the targeted process change, and disaggregated reach.
Adoption Model for Analytics Maturity (AMAM)Implementation: A HIMSS maturity model, scored from Stage 0 to Stage 7, that measures how effectively an organization uses data and analytics to improve clinical, operational, and financial outcomes.
Africa CDC Pathogen Genomics InitiativeEthics & Governance: The continental programme that built African sequencing capacity, proven in COVID-19 variant tracking and mpox/cholera response; the genomic leapfrog under African governance.
Alert fatigueAI in Clinical Care: Desensitisation from excessive or low-value CDSS alerts, leading clinicians to dismiss even important ones.
Algorithmic biasEthics & Governance: Systematic, differential error in an AI model arising from unrepresentative or skewed training data, often acting invisibly through proxies rather than explicit variables.
AlignmentLeadership & Strategy: The degree to which an intervention sits inside the national architecture and strategy, thereby inheriting financing, governance, and scale pathways.
American Medical Informatics Association (AMIA)Digital Health Practice: A leading professional association in the United States dedicated to advancing the field of informatics in health, healthcare, and biomedical science.
Analytic rubricTraining & Capacity Building: An assessment tool breaking a task into observable criteria with concrete competent / not-yet descriptors.
ANC4 coverageData & Interoperability: The share of pregnant women who completed at least four antenatal-care visits; a worked example of a coverage indicator.
Anchor exampleTraining & Capacity Building: An agreed reference performance defining what a given rubric level looks like in practice.
AndragogyTraining & Capacity Building: The theory and practice of teaching adults, who are experienced, autonomous, problem-centred, and internally motivated.
Application Programming Interface (API)Data & Interoperability: A defined set of rules and endpoints that lets one software system request data or functions from another system in a controlled, predictable way.
Artificial intelligence (AI)Ethics & Governance: The broad field of computer systems performing tasks that normally require human intelligence, such as recognizing patterns, making predictions, or understanding language; machine learning and deep learning are subfields of AI.
AssentEthics & Governance: Agreement from a minor or person unable to give full legal consent, respected alongside guardian consent.
Asynchronous / store-and-forward tele-expertiseSystems & Telemedicine: Capture-and-forward review of images or cases with a delayed specialist reply; tolerant of intermittent connectivity and the highest-yield model where bandwidth and specialist time are scarce.
AU Continental AI Strategy (2024)Ethics & Governance: The African Union's framework setting the harmonization direction for national AI strategies and health-AI regulation.
Audit Log / Audit TrailEthics & Governance: A chronological record of who accessed a system, what actions they took, and when, used to track activity and detect unauthorized use.
AugmentationEthics & Governance: Using AI to extend scarce capacity under clinical governance, rather than to replace human judgement.
Augmentation architectureAI in Clinical Care: Designing AI as triage and second reader within clinical governance, with escalation to humans, audit trails, and a workforce trained to supervise it.
Authentication vs. AuthorizationEthics & Governance: Authentication verifies who a user is (login credentials); authorization determines what that verified user is allowed to do or access within a system.
Automation biasAI in Clinical Care: The tendency to accept a computer's suggestion uncritically, risking missed findings or acting on false alarms.
Automation over-relianceEthics & Governance: The human tendency to defer to an AI's fluent output even when it is wrong; intensified for overloaded users and authoritative-sounding models.

B

BackupImplementation: A copy of data stored separately from the original system so that it can be restored if the original data is lost, corrupted, or compromised.
Backward designTraining & Capacity Building: Designing from the intended can-do outcome to the assessment to the content, so teaching and testing align.
Benefit-sharingEthics & Governance: Governing African research and training data so that the value created from it is shared with, not extracted from, the populations and institutions that produced it.
Bias auditEthics & Governance: A structured evaluation of a model's performance across subgroups, made a regulatory requirement alongside post-deployment equity monitoring.
Big DataData & Interoperability: Extremely large and/or complex datasets that traditional data-processing tools struggle to handle efficiently, often characterized by high volume, velocity, and variety.
Biomedical InformaticsDigital Health Practice: The interdisciplinary field concerned with the effective use of biomedical data, information, and knowledge across research, clinical care, and public health.
Blended learningFoundations: Digital content for knowledge and standardization paired with facilitated sessions for skills, assessment, and the social commitment that sustains completion.
Breach notificationEthics & Governance: The legal duty to report a data breach to the regulator and affected individuals within set timelines.
Business Continuity Plan (BCP)Implementation: The capability, supported by a Business Continuity Plan, to keep essential operations running and recover critical functions during and after a disruption such as an outage, disaster, or cyberattack.
Business Intelligence (BI)Data & Interoperability: Tools and processes that turn raw organizational data into actionable reports, dashboards, and insights to support management decision-making.
Business-to-government (B2G), paid-per-performanceEthics & Governance: A procurement model in which the state contracts and pays for a delivered outcome rather than a technology, aligning vendor incentives with public-health results (the Zipline/drone-logistics template).

C

CalibrationTraining & Capacity Building: The deliberate alignment of assessors so their independent judgements converge on one standard.
Capability ladderAI in Clinical Care: The sequenced progression of analytics maturity — data quality and use culture first, statistics second, machine learning third; climbed, not procured.
Capacity BuildingDigital Health Practice: The process of strengthening the skills, systems, institutions, and resources that an organization needs to perform its functions effectively and sustainably.
CapEx / OpExImplementation: One-off capital costs (devices, development, launch training) versus ongoing operating costs (hosting, support, replacement, onboarding, governance) that determine survival.
Certification regimeLeadership & Strategy: Testing solutions against the standards catalogue and security baseline to give procurement and partners a quality signal.
Change Advisory Board (CAB)Implementation: A group of stakeholders that reviews, prioritizes, and approves proposed changes to IT systems to assess their risk, impact, and readiness before implementation.
Change ManagementImplementation: The structured process of planning, approving, implementing, and reviewing changes to IT systems and workflows so that changes deliver value while minimizing disruption and risk.
Chief Medical Information Officer (CMIO)Digital Health Practice: A physician leader who bridges clinical practice and health IT, guiding EMR design, workflow, and adoption decisions from a clinician's perspective.
Chief Nursing Information Officer (CNIO)Digital Health Practice: A nursing leader who bridges nursing practice and health IT, focusing on nursing documentation, workflows, and system usability.
Client registry / Master Patient Index (MPI)Data & Interoperability: The platform component assigning each person a unique cross-system identity, the foundation of longitudinal records.
Client-to-provider / provider-to-providerSystems & Telemedicine: The two ends-of-the-line configurations of telemedicine: patient-to-clinician, and clinician-to-clinician (e.g., frontline worker to specialist).
Clinical Decision Support System (CDS/CDSS)AI in Clinical Care: Software that provides clinicians with patient-specific alerts, reminders, or guidance (e.g., drug-interaction warnings, care-pathway prompts) at the point of care.
Clinical DocumentationDigital Health Practice: The recording of a patient's history, assessment, treatment, and outcomes in the medical record by clinicians, whether narrative, structured, or templated.
Clinical governance (telemedicine)Systems & Telemedicine: Defined scope, escalation rules, and documentation standards that make remote care safe and accountable.
Clinical InformaticsDigital Health Practice: The field, and in some countries a recognized medical subspecialty, that applies information and communication technology to the delivery of clinical care to improve quality, safety, and efficiency.
Clinical-grade MVPLeadership & Strategy: A minimum viable product additionally constrained by clinical safety, data-protection compliance, and frontline workflow fit.
Coalition for scaleImplementation: The durable multi-stakeholder group that co-owns a system from inception through institutionalization, with the eventual owner as protagonist throughout.
Cohort lifecycleTraining & Capacity Building: The arc from recruitment and readiness through scheduling, delivery, dual-period transition, support, and completion.
Commission on Accreditation for Health Informatics and Information Management Education (CAHIIM)Digital Health Practice: An independent accrediting body that sets and evaluates quality standards for academic programs in health informatics and health information management.
Community health worker (CHW)Foundations: A frontline community-based cadre (e.g. Ethiopia's health extension workers, Rwanda's binômes, Kenya's community health promoters) delivering much of rural primary care.
Community-Based Health Insurance (CBHI)Foundations: Ethiopia's health financing schemes - CBHI for informal-sector and rural populations and Social Health Insurance for formal-sector employees - that pool resources to pay for care and move the country toward universal coverage.
Competency FrameworkDigital Health Practice: A structured set of the knowledge, skills, and behaviors required to perform effectively in a given role or profession, used to guide training, hiring, and assessment.
Competency-based assessmentTraining & Capacity Building: Judging what a learner can demonstrably do on the real system, not attendance or recall.
CompletenessData & Interoperability: The proportion of expected reports and required data fields actually recorded and received.
Computer-aided detection (CAD)AI in Clinical Care: Software reading a medical image to flag or triage abnormality; WHO-recommended for TB screening in people aged 15+.
Computerized Provider Order Entry (CPOE)Systems & Telemedicine: A system function that lets clinicians enter medication, laboratory, imaging, and other orders directly and electronically instead of on paper.
ConfidentialityEthics & Governance: The duty to protect patient information disclosed during care from unauthorised access or sharing.
Confirmation chainEthics & Governance: The sequence of confirmatory testing, treatment, and follow-up that must follow a positive AI screen for the tool to deliver clinical value.
ConsistencyData & Interoperability: Agreement between related data elements and across time (internal and trend consistency).
Continuing Professional Development (CPD)Training & Capacity Building: The ongoing, structured learning that professionals undertake to maintain and expand their knowledge, skills, and competence throughout their careers.
Continuity of Care Maturity Model (CCMM)Implementation: A HIMSS maturity model, scored from Stage 0 to Stage 7, that measures an organization's ability to share information and coordinate care across settings toward patient-centered, interoperable care.
Contracting for outcomesImplementation: A public-private model (e.g., Zipline's pay-per-delivery) in which the partner finances capability and the state pays against a performance specification, governed by exit clauses and data sovereignty.
Control Objectives for Information and Related Technologies (COBIT)Ethics & Governance: A governance framework (currently COBIT 2019) that helps organizations govern and manage enterprise IT by linking IT goals to business goals, risk, and control objectives.
Critical supervisionEthics & Governance: The workforce competency of overseeing algorithmic outputs: understanding intended use and limits, spotting implausible results, and escalating appropriately.
Critical-adopter mindsetAI in Clinical Care: Using AI where evidence supports it while appraising, validating, and supervising it; the disciplined middle between blind trust and blanket rejection.
Cross-border transferEthics & Governance: Sending personal data to another country, subject to legal restrictions on adequacy of protection.
Cyber-hygieneEthics & Governance: Routine personal security practices (passwords, device locking, updates, vigilance) that protect systems and data.

D

DashboardData & Interoperability: A visual display, usually on a screen, that summarizes key metrics and trends (often KPIs) in charts and graphs for quick, at-a-glance monitoring.
Data artefactData & Interoperability: An apparent pattern caused by a data problem (backlog, double-counting, bad denominator, non-reporting) rather than a real change.
Data authorityEthics & Governance: A body (such as a Data Protection Authority) able to govern secondary use of health data and benefit-sharing in research partnerships, asserting sovereignty over national data use.
Data BreachEthics & Governance: An incident in which sensitive, protected, or confidential data is accessed, disclosed, or stolen by an unauthorized party.
Data captureData & Interoperability: The act of recording a health event into a register, form, or digital system.
Data dictionary (NHDD)Data & Interoperability: The authoritative definitions of all data elements and indicators; Ethiopia's National Health Data Dictionary.
Data elementData & Interoperability: A single measured value (a raw count or attribute), such as doses given or weight.
Data exhaustEthics & Governance: Routine data generated by health and adjacent systems (HMIS, EMR, labs, supply chains, call records, climate/mobility) that, with analytic capacity, becomes an early-warning asset.
Data GovernanceEthics & Governance: The overall framework of policies, roles, and processes that define how an organization manages the availability, quality, security, and proper use of its data.
Data LakeData & Interoperability: A storage repository that holds large volumes of raw data in its native format (structured, semi-structured, or unstructured) without requiring it to be organized into a fixed schema first.
Data MappingData & Interoperability: The process of matching data fields and codes from one system's format to the equivalent fields and codes in another system so information transfers correctly.
Data MartData & Interoperability: A smaller, focused subset of a data warehouse built for a specific department or purpose, such as maternal health outcomes or pharmacy inventory.
Data minimisationEthics & Governance: Collecting and retaining only the data actually needed for the stated purpose.
Data minimisation / purpose limitationFoundations: Collecting only the data needed and using it only for the stated purpose.
Data Protection Impact Assessment (DPIA)Ethics & Governance: A pre-deployment review that identifies and mitigates the privacy risks of a new system or data use.
Data Protection Officer (DPO)Ethics & Governance: A designated individual responsible for overseeing an organization's data protection strategy, compliance, and response to privacy-related issues.
Data qualityData & Interoperability: The degree to which data is accurate, complete, consistent, timely, and fit for its intended use.
Data Science for Health Discovery and Innovation in Africa (DS-I Africa)Foundations: An NIH-funded pan-African research consortium building data science capacity, tools, and infrastructure for health research and innovation across African institutions.
Data sovereigntyEthics & Governance: The principle that a nation governs the data generated within its borders — its hosting, access, use, and the value derived from it.
Data StewardEthics & Governance: A person formally responsible for the quality, definition, and proper use of a specific data domain within an organization, acting as the accountable owner of that data.
Data WarehouseData & Interoperability: A large, central repository that consolidates data from multiple source systems (EMR, lab, HMIS) into one organized structure optimized for reporting and analysis rather than daily transactions.
Data-review meetingData & Interoperability: A regular session where a team interrogates its own data and ends with named decisions and actions.
Data-sharing agreement (DSA)Ethics & Governance: A written contract governing inter-organisational data sharing: what, why, with what safeguards, for how long.
Data-subject rightsEthics & Governance: A patient's legal rights to access, correct, and control their personal data.
Data-use gapData & Interoperability: The failure pattern in which systems collect data successfully but fail to change decisions.
Data-use ritualsData & Interoperability: Recurring practices (review meetings, league tables, feedback loops) that turn reporting into a decision tool.
De-identification / AnonymizationEthics & Governance: The process of removing or masking personal identifiers (name, ID, address) from health data so individuals cannot be readily identified, used to protect privacy while still allowing data analysis.
Decision rulesLeadership & Strategy: Pre-committed, written criteria specifying what evidence will trigger scaling, redesigning, or stopping a pilot.
Deep LearningAI in Clinical Care: A subset of machine learning that uses multi-layered artificial neural networks, particularly effective for complex pattern recognition tasks like image and speech analysis.
Demonstrate–practise–coach ("I do, we do, you do")Training & Capacity Building: The core skills-teaching cycle: model, perform together, then learners do it alone while coached.
Deployment checklist (WHO-aligned)AI in Clinical Care: Go/no-go gate: intended use, local validation, governance and escalation, explainability, audit logging, equity monitoring, accountable institution.
Deployment stanceEthics & Governance: The governance posture (scale / pilot-with-validation / integrate / contain) appropriate to an application's evidence posture.
Design for scaleImplementation: Making the architecture, unit-economics, workforce, operations, and evidence decisions required for national absorption at version one.
DHIS2 (District Health Information Software 2)Data & Interoperability: An open-source data warehouse and analytics platform used by Ethiopia as its national HMIS backbone for aggregate health data reporting.
DHIS2 / OpenMRSSystems & Telemedicine: Open-source digital public goods: DHIS2 for aggregate routine reporting; the OpenMRS family for patient records — the backbone open stack of African digital health.
Digital champion / super-userImplementation: A respected peer or clinical leader who fronts the change and provides standing internal training and support.
Digital Front DoorSystems & Telemedicine: The set of digital touchpoints, such as websites, apps, and online scheduling, through which patients first access and interact with a healthcare organization.
Digital healthFoundations: A broad field encompassing technologies such as electronic medical records, telemedicine, mobile health, wearables, and health data analytics used to improve health outcomes and system efficiency.
Digital Health Blueprint 2021-2030 (DHBp)Foundations: Ethiopia's current overarching national digital health strategy, issued by the Federal Ministry of Health (cover dated August 2021) to guide the ministry, regional health bureaus, agencies and partners in implementing digital health over a ten-year horizon (2021-2030). It sets the national framework for interoperable health information systems, a unique patient/digital ID, telemedicine, data standards and security, and the digital-health workforce, aligned with the 'Digital Ethiopia 2025' strategy.
Digital Health Indicator (DHI)Implementation: A HIMSS assessment tool that measures progress toward a digital health ecosystem across governance, workforce, interoperability, and person-enabled health, producing a score on a 0 to 400 scale.
Digital health literacy (eHealth literacy)Foundations: The ability to seek, find, understand, appraise, and apply electronic health information; for workers, operational fluency with care systems.
Digital health platform (DHP) / infostructureData & Interoperability: Shared, reusable information infrastructure (registries, shared health record, terminology, interoperability layer) on which applications run.
Digital Imaging Adoption Model (DIAM)Implementation: A HIMSS maturity model, scored from Stage 0 to Stage 7, that assesses the maturity of medical imaging and image-management capabilities.
Digital Imaging and Communications in Medicine (DICOM)Data & Interoperability: The international standard for storing, transmitting, and displaying medical images (X-ray, CT, MRI, ultrasound) along with their associated patient and study metadata.
Digital public goods (DPGs) / global goodsData & Interoperability: Open-source, standards-based, do-no-harm digital health applications that are adaptable, multi-donor-funded, and interoperable.
DIIGImplementation: The WHO Digital Implementation Investment Guide, the systematic reference for planning, costing, and implementing digital health interventions within a digital health enterprise.
DisaggregationData & Interoperability: Breaking an indicator down by category (age, sex, location, time) to reveal where and when a gap exists.
Disaster Recovery (DR)Implementation: The policies, tools, and procedures used to restore IT systems and data after a major disruptive event such as fire, flood, cyberattack, or hardware failure.
DomesticationLeadership & Strategy: Migrating a system's core operating costs onto durable domestic instruments before external financing recedes.
Domestication / institutionalizationSystems & Telemedicine: Migrating core operating costs onto durable domestic instruments and transferring every life function from project to government institution.
Donor cliffData & Interoperability: The funding discontinuity when donor financing recedes, a recurring cause of tools that "arrived, broke, and vanished" and a rational basis for worker scepticism.
DowntimeImplementation: Any period during which a system or service is unavailable or not functioning, whether from planned maintenance or unplanned failure.
Downtime ProcedureImplementation: A pre-defined contingency workflow (often paper-based) that staff follow to continue safe patient care when the EMR or network is unavailable.
Dual periodTraining & Capacity Building: The transition when staff run paper and digital systems in parallel; must be short and dated.
Dual-entry trapImplementation: The abandonment-inducing practice of running paper and digital in parallel indefinitely rather than to a short, dated cut-over.

E

E-PrescribingSystems & Telemedicine: The electronic generation, transmission, and management of prescriptions from provider to pharmacy, replacing handwritten prescriptions.
Education and Training Authority (Ethiopia) (ETA)Digital Health Practice: The Ethiopian federal authority responsible for regulating quality and accrediting higher-education and technical and vocational (TVET) education and training programs.
eIDSR / SORMASEthics & Governance: Electronic Integrated Disease Surveillance and Response and the Surveillance Outbreak Response Management and Analysis System; established African platforms for outbreak detection and management.
electronic Community Health Information System (eCHIS)Data & Interoperability: A mobile/tablet-based digital system that supports Ethiopia's Health Extension Workers in registering households and recording community-level preventive and primary care services.
Electronic Health (eHealth)Foundations: The use of information and communication technology in support of health and health-related fields, including health records, telemedicine, and health information systems.
Electronic health record (EHR)Foundations: A broader, longitudinal patient record designed to be shared across multiple organizations and care settings, going beyond a single facility's EMR.
Electronic medical record (EMR)AI in Clinical Care: A digital version of a patient's chart within a single facility, containing the medical and treatment history recorded by providers at that institution.
Electronic Medical Record Adoption Model (EMRAM)Implementation: A HIMSS maturity model that scores a hospital's electronic medical record capabilities on an eight-stage scale from Stage 0 to Stage 7.
Electronic Referral (e-referral)Systems & Telemedicine: A digital system for sending patient referral information between health facilities, replacing paper referral letters with structured electronic records.
eLMISSystems & Telemedicine: Electronic logistics management information system, giving supply-chain stock visibility and reducing expiry and stockouts.
EMR vs EHRData & Interoperability: A record within one organization versus a longitudinal record shareable across organizations.
Encryption (At Rest / In Transit)Ethics & Governance: The process of converting data into unreadable code to prevent unauthorized access; 'at rest' protects stored data, while 'in transit' protects data as it moves across networks.
EnforceabilityLeadership & Strategy: The quality by which a strategy binds procurement and partner behavior rather than merely inspiring.
Enterprise Master Patient Index (MPI/EMPI)Data & Interoperability: A database and matching algorithm that maintains one unique, accurate patient identity across multiple systems or facilities, linking records that belong to the same person even if entered differently.
Equity monitoringEthics & Governance: Ongoing post-deployment tracking of AI performance across subgroups to detect differential failure that pre-deployment validation can miss.
Escalation pathAI in Clinical Care: The defined next step and referral route triggered by an AI flag, with the hand-off recorded.
Escrow and exit clausesEthics & Governance: Contract provisions ensuring the state can continue operating or migrate a service if a vendor fails, exits, or is sanctioned; the Babylon lesson made contractual.
Ethiopia Health ConnectData & Interoperability: A national interoperability and data-exchange initiative intended to connect disparate health information systems (facility, regional, and national) so patient and program data can flow securely between them.
Ethiopian Digital Health Strategy 2020-2025 (superseded)Foundations: The Ministry of Health's earlier five-year digital-health planning horizon, now consolidated under the ten-year Digital Health Blueprint 2021-2030 and delivered alongside the Information Revolution roadmap.
Ethiopian Public Health Institute (EPHI)Foundations: Ethiopia's national public health agency responsible for disease surveillance, public health research, laboratory reference services, and health data analytics.
Evidence postureAI in Clinical Care: A label for how ready an AI use is: WHO-recommended, strong-elsewhere-validate-locally, or early-pilot-only.
ExplainabilityEthics & Governance: The property of an AI output being interpretable to the users who must act on it, calibrated to their role.
Extract-Transform-Load (ETL)Data & Interoperability: A data-processing pipeline that pulls data out of source systems (extract), cleans and reformats it (transform), and places it into a target system such as a warehouse or reporting tool (load).

F

Fabrication (hallucination)AI in Clinical Care: An LLM's production of fluent, confident, but false content; clinically dangerous because its authoritative tone invites trust.
FacilitationTraining & Capacity Building: Guiding learners to build competence through active practice and dialogue rather than transmitting content as a lecturer.
Facility registryData & Interoperability: The authoritative single source of truth for facilities (e.g., Ethiopia's Master Facility Registry, MFR).
Fast Healthcare Interoperability Resources (FHIR)Data & Interoperability: A modern HL7 standard that uses web-based APIs and structured 'resources' (e.g., Patient, Observation, Encounter) to make health data exchange faster and easier to implement than older standards.
Federal Ministry of Health (MoH)Foundations: Ethiopia's national government body responsible for setting health policy, standards, and strategy, including digital health governance for the entire health sector.
Fragmentation ("eHealth chaos")Data & Interoperability: Vertical, siloed applications that cannot usefully exchange data; the default pathology of unmanaged digital health, produced by financing and governance.
Frugal innovationEthics & Governance: Engineering for affordability, robustness, and existing infrastructure constraints — and gaining competitive advantage from those constraints.

G

Gender digital gapLeadership & Strategy: The systematic disadvantage of women in device access, connectivity, digital confidence, and digital-role advancement.
Generative documentationEthics & Governance: AI drafting of notes, letters, and reports; lowest-risk conversational use when human review is mandatory and the clinician remains author of record.
Genomic surveillanceEthics & Governance: Sequencing pathogens to track variants and outbreaks; the leading-edge surveillance layer and a clear African leapfrog template.
Global Digital Health Monitor (GDHM)Implementation: A WHO/ITU-backed online tool that helps countries assess and benchmark the maturity of their digital health environment against global best practices and standards.
Go-liveImplementation: The point at which a new system or major change is switched into active production use by real users.
Gold standard (reference standard)AI in Clinical Care: The trusted, independent diagnosis a model's outputs are compared against during validation.

H

Health financing integrationImplementation: Embedding digital services in insurance, reimbursement, and purchasing so the system becomes revenue infrastructure rather than a cost center.
Health informaticsFoundations: The science of how health data, information, and knowledge are collected, managed, and used.
Health information exchange (HIE)Data & Interoperability: The electronic sharing of patient health information across different organizations (hospitals, clinics, labs) so authorized providers can access a patient's data regardless of where care was delivered.
Health Information Management (HIM)Digital Health Practice: The discipline and hospital function responsible for the accuracy, security, coding, and lifecycle management of patient health records, whether paper or electronic.
Health information system (HIS)Data & Interoperability: The overall set of components (people, processes, and technology) that collect, process, and use health data for decision-making, encompassing clinical, administrative, and public-health systems.
Health Information Systems Programme (HISP)Foundations: A global network of academic and implementation partners (originating at the University of Oslo) that develops and supports DHIS2 and provides technical assistance to countries including Ethiopia.
Health Level Seven (HL7)Data & Interoperability: A family of international standards for exchanging, integrating, and retrieving electronic health information between systems.
Health management information system (HMIS)Data & Interoperability: The routine system (in Ethiopia, largely DHIS2-based) used to collect aggregate service statistics from facilities for management and national reporting.
Health Sector Transformation Plan (HSTP)Foundations: Ethiopia's multi-year national health sector strategic plan (HSTP I and the current HSTP II) that sets priorities for quality of care, equity, and health system strengthening, with digital health as a core enabler.
Health system challenge / bottleneck / pain pointImplementation: The generic name for a gap (e.g., "loss to follow-up"); the same gap from the system's view; and the same gap in the affected person's own words.
Healthcare Information and Management Systems Society (HIMSS)Digital Health Practice: A global non-profit organization focused on improving health through information and technology, known for its maturity models, standards guidance, and professional education.
Helpdesk / Service DeskImplementation: A single point of contact where users report IT issues and requests, which are then logged, triaged, and resolved or escalated. A service desk typically offers broader service-management functions than a basic helpdesk.
HL7 Version 2 (HL7 v2)Data & Interoperability: The older, widely deployed HL7 messaging standard used for exchanging clinical and administrative data (admissions, orders, results) using pipe-delimited text messages.
Honest BrokerEthics & Governance: A designated, trusted individual or process that provides researchers with de-identified or coded patient data, acting as a neutral intermediary between raw identifiable clinical data and research use.
Hub-and-Spoke ModelSystems & Telemedicine: A service delivery model where a central specialized center (the hub) provides expertise, resources, and support to multiple peripheral facilities (the spokes) that refer complex cases in.
Human-in-the-loopAI in Clinical Care: A governance design in which a named clinician reviews and remains accountable for the AI-assisted decision.

I

ICDData & Interoperability: The international classification for coding diagnoses and causes of death.
ICD / LOINCFoundations: Standard terminologies for diagnoses (ICD) and laboratory observations (LOINC) that enable shared meaning across systems.
Incident ResponseEthics & Governance: A structured process for detecting, containing, investigating, and recovering from a cybersecurity incident such as a breach or system compromise.
IndicatorData & Interoperability: A defined measure of performance or status, usually a ratio of data elements, used to support decisions.
Informatics cadreTraining & Capacity Building: Professionalized data roles with defined posts and career paths that give a system its backbone.
Information RevolutionData & Interoperability: A flagship MoH initiative under HSTP that aims to transform health data culture in Ethiopia by improving data quality, use, and a shift toward evidence-based decision-making at every level of the system.
Information Technology Infrastructure Library (ITIL)Implementation: A globally recognized framework of best practices for IT service management (now ITIL 4) covering how to design, deliver, operate, and improve IT services.
Informed consentFoundations: A patient's genuine, revocable agreement to data processing after understanding what, why, who, and their choices.
Informed digital consentEthics & Governance: A patient's freely given, documented, revocable agreement to data collection and use, after understanding what, why, who, and how long.
Infrastructure Adoption Model (INFRAM)Implementation: A HIMSS maturity model, scored from Stage 0 to Stage 7, that assesses the readiness and capability of an organization's IT infrastructure, including network, mobility, security, and data centers.
Institutional Review Board (IRB)Ethics & Governance: An independent ethics committee that reviews and approves research involving human subjects to ensure participants' rights, safety, and privacy are protected.
Institutional ritualsImplementation: Recurring practices (data review meetings, audit cycles, feedback loops) that make data consequential and build a data-use culture.
InstitutionalizationLeadership & Strategy: The deliberate, dated transfer of every life function of a system (budget line, staffing establishment, maintenance contract, governance home, data ownership) from a project to a government institution.
Integrating the Healthcare Enterprise (IHE)Data & Interoperability: An initiative that defines practical implementation profiles combining standards like HL7 and DICOM into tested, real-world workflows for interoperability.
IntegrationData & Interoperability: Direct connection of two applications without an intermediary exchange, as distinct from many-system interoperability through a shared mediator.
Intended useAI in Clinical Care: The precise, documented statement of what an AI tool is for, on whom, and for which decision; using a tool outside its intended use renders it unvalidated.
Inter-rater reliabilityTraining & Capacity Building: The degree to which independent assessors scoring the same performance agree.
International Classification of Diseases, 10th Revision (ICD-10)Data & Interoperability: A World Health Organization coding system used to classify diagnoses, symptoms, and causes of death with standardized alphanumeric codes.
International Classification of Diseases, 11th Revision (ICD-11)Data & Interoperability: The newest WHO diagnostic classification, offering more granular, digitally native codes and better support for structured clinical documentation than ICD-10.
International Medical Informatics Association (IMIA)Digital Health Practice: A global federation of national and regional medical-informatics organizations that promotes informatics research, education, and practice worldwide.
International Telecommunication Union (ITU)Foundations: The UN specialized agency for information and communication technologies that co-develops digital health standards, connectivity benchmarks, and the WHO-ITU National eHealth Strategy Toolkit.
InteroperabilityData & Interoperability: The ability of different health information systems and software applications to exchange, interpret, and use data correctly. It ranges from simple data transfer to systems fully understanding and acting on shared data.
Interoperability layer / HIESystems & Telemedicine: The mediator through which systems exchange data, increasingly using FHIR, while enforcing standards, security, and audit.
ISO 27001Ethics & Governance: An international standard specifying requirements for establishing, implementing, and continually improving an information security management system.
IT GovernanceEthics & Governance: The system of leadership, structures, and processes that ensures an organization's IT supports and extends its strategy and objectives while managing risk and resources responsibly.

K

Key Performance Indicator (KPI)Implementation: A specific, measurable metric used to track how well an organization is achieving an important objective, such as average length of stay or surgical site infection rate.

L

Laboratory Information System (LIS)Systems & Telemedicine: A specialized system that manages laboratory test orders, specimen tracking, instrument interfacing, and result reporting.
Large language model (LLM) / large multi-modal model (LMM)Ethics & Governance: AI systems that generate language (and, for LMMs, process other modalities), enabling conversational assistants and client triage.
Lawful basisEthics & Governance: The legal justification (direct care, legal mandate, consent, governed program use) required to process or share personal data.
Lead digital health authorityLeadership & Strategy: The directorate, agency, or statutory body owning strategy execution, architecture, and standards.
LeapfroggingEthics & Governance: Skipping legacy stages of technological development; in African health, the cognitive "second leapfrog" of AI- and data-extended capability.
Learning Health System (LHS)Data & Interoperability: A health system designed so that data generated during care is continuously analyzed to produce knowledge, which is then fed back to improve care in a repeating cycle.
Least PrivilegeEthics & Governance: A security principle stating that users should be granted only the minimum access necessary to perform their job functions, and no more.
Local validationEthics & Governance: Confirming an AI tool performs acceptably on the local population, equipment, and subgroups before clinical deployment; mandatory for any imported model.
Logic model / theory of changeImplementation: The explicit causal chain from inputs through activities, outputs, and outcomes to impact.
Logical Observation Identifiers Names and Codes (LOINC)Data & Interoperability: A standard code system specifically for identifying laboratory tests, clinical observations, and measurements, so the same test is labeled consistently across systems.
Loss to follow-upSystems & Telemedicine: A health-system challenge in which a person does not return for care or does not receive a needed follow-up.
Low-bandwidth / offline-first designSystems & Telemedicine: Context-honest design treating offline operation, shared devices, local language, low literacy, and battery reality as explicit requirements.

M

Machine Learning (ML)AI in Clinical Care: A branch of artificial intelligence in which computer algorithms learn patterns from data and improve their performance on a task without being explicitly programmed with fixed rules.
Malabo ConventionEthics & Governance: The AU's continental treaty on cyber security and personal data protection, in force 2023.
MalwareEthics & Governance: Any software intentionally designed to cause damage, steal data, or disrupt normal operation of a computer system, including viruses, worms, and spyware.
MAPS toolkitImplementation: The WHO/ITU mHealth Assessment and Planning for Scale instrument, assessing scale-readiness across management, financing, technology, partnerships, and integration.
Master Facility Registry (MFR)Data & Interoperability: A standardized, authoritative national database that uniquely identifies and describes every health facility in Ethiopia (location, type, services, ownership).
Maturity ModelImplementation: A structured framework that describes progressive stages of capability, allowing an organization to assess its current level and plan improvements toward higher stages.
MELImplementation: Monitoring, evaluation, and learning: the discipline of measuring a system to steer its adaptation, not to decorate reports.
Memorandum of Understanding (MoU)Implementation: A written, usually non-binding agreement that records the shared intentions, roles, and responsibilities of two or more parties planning to work together.
MetadataData & Interoperability: Structured information that describes other data, such as who created a record, when, in what format, or what a data field represents.
Minimum necessary / need-to-knowEthics & Governance: Accessing and sharing only the data the immediate task and role require.
Mobile Health (mHealth)Systems & Telemedicine: The use of mobile phones, apps, and wireless devices to support medical and public health practice, including appointment reminders, health education, and data collection.
Modular unit (microlearning)Training & Capacity Building: A short, self-contained learning chunk compatible with service-delivery schedules.
MomConnectSystems & Telemedicine: South Africa's national maternal mHealth service (2014); the book's exemplar of durability (government ownership, simplest tech first, integration with routine services).
Monitoring & Evaluation (M&E)Implementation: The systematic tracking of program activities and results (monitoring) and the periodic assessment of whether objectives and outcomes were achieved (evaluation).
Multi-factor authentication (MFA)Ethics & Governance: A login security method requiring two or more independent proofs of identity, such as a password plus a one-time code, before granting access.
Multi-stakeholder governance councilLeadership & Strategy: A legitimate cross-sector decision venue aligning government, professions, academia, private sector, partners, and civil society.

N

NASSS frameworkLeadership & Strategy: A model locating digital health failure in accumulating complexity across seven domains (condition, technology, value proposition, adopters, organization, wider system, embedding/adaptation over time).
Natural Language Processing (NLP)AI in Clinical Care: A field of AI focused on enabling computers to read, interpret, and extract meaning from human language, including free-text clinical notes.
Negotiating capacity of institutionsEthics & Governance: Ministries, ethics committees, and data authorities able to contract for, review, and govern AI with validation, exit clauses, and benefit-sharing.
New mindsetImplementation: A workforce culture treating data as a clinical instrument, expecting evidence-argued decisions, and regarding tool-learning as ordinary professionalism.
Numerator / denominatorData & Interoperability: The top and bottom of an indicator ratio; the denominator (target population) turns a count into a coverage measure.

O

Offline-firstFoundations: Content and activities that download once and function fully without a live connection, syncing when available; the African design default (e.g., Extension Essentials).
OpenHIEData & Interoperability: An open-source, community-driven architectural framework and set of tools for building country-level health information exchanges, widely used in low- and middle-income countries.
OpenMRSData & Interoperability: A widely used, open-source electronic medical record platform designed for flexibility and adaptation in resource-constrained and low-resource health settings.
Order SetSystems & Telemedicine: A pre-built, standardized group of orders (medications, labs, imaging) for a specific clinical scenario (e.g., admission for pneumonia) that a clinician can activate together in the EMR.
Out-of-distribution / edge caseAI in Clinical Care: A patient or input outside the population and conditions a model was trained and validated on.
OutlierData & Interoperability: A value far outside the expected range, flagging a real event or, often, a data error.
OverrideAI in Clinical Care: A clinician's documented decision to act against an AI or CDSS recommendation based on clinical reasoning.
Ownership choiceEthics & Governance: Africa's future as either a data source/deployment market for intelligence owned elsewhere or a builder, validator, and governor of its own — decided by this decade's investment.

P

Parallel reportingData & Interoperability: Duplicate manual reporting of the same data into multiple vertical programmes; eliminated by integration.
Patch ManagementImplementation: The process of regularly identifying, testing, and applying software updates that fix security vulnerabilities and bugs in operating systems and applications.
Patient EngagementDigital Health Practice: Digital tools and strategies (portals, SMS reminders, education apps) used to involve patients actively in their own care, appointments, and health decisions.
Patient PortalSystems & Telemedicine: A secure online application that lets patients view parts of their health record, lab results, appointments, and communicate with providers.
Penetration TestingEthics & Governance: An authorized simulated cyberattack on a system, network, or application conducted to identify exploitable security weaknesses before real attackers do.
Performance station (OSCE-style)Training & Capacity Building: A realistic task the learner performs while the assessor scores observable steps against a rubric.
PhishingEthics & Governance: A social-engineering attack in which fraudulent emails, messages, or websites trick users into revealing credentials or installing malicious software.
Pilotitis (pilot purgatory)Leadership & Strategy: The field's defining failure pattern in which technically successful pilots fail to scale or sustain because they were designed, financed, and staffed for demonstration rather than absorption.
POPIAEthics & Governance: South Africa's Protection of Personal Information Act, with special-category protection for health data.
Positive predictive value (PPV)AI in Clinical Care: The chance a flagged patient is truly affected; falls as disease prevalence falls.
Post-deployment monitoringAI in Clinical Care: Ongoing tracking of real-world performance, subgroup outcomes, and drift after a tool is in clinical use.
Post-market surveillanceEthics & Governance: Ongoing monitoring of a tool's real-world performance after regulatory approval, the regulatory counterpart to the checklist's equity monitoring.
Practice environment (sandbox)Training & Capacity Building: A training instance of the real system (DHIS2 demo, OpenMRS reference app) where learners practise without risk to live data.
Predictive analyticsEthics & Governance: The use of historical data, statistics, and modeling techniques (including ML) to forecast future events or outcomes, such as disease outbreaks or patient deterioration risk.
Principles for Digital DevelopmentSystems & Telemedicine: A field discipline codifying user-centred, context-aware, sustainable digital design.
Problem statement with a baselineImplementation: A quantified statement of a gap, its affected population, its workflow location, and its proximate cause, used as the reference point for all later design and evaluation.
Procurement leverLeadership & Strategy: Making compliance with the national standards catalogue a condition of sale, the sharpest tool for driving adoption.
Project Management Office (PMO)Implementation: A central team or function that standardizes project governance, methods, and reporting across an organization, and supports or oversees the delivery of projects.
Prompt literacyAI in Clinical Care: The skill of giving clinical AI clear, specific, bounded instructions and critically reading the output.
Protected Health Information (PHI)Ethics & Governance: Any patient health data that can be linked to an identifiable individual, including diagnoses, treatment records, and demographic details held by a healthcare provider.
Proxy biasEthics & Governance: Bias introduced when a model predicts a target via a correlated but skewed stand-in (e.g., cost as a proxy for need), as in the Obermeyer study.
Psychological safetyTraining & Capacity Building: The shared belief that a learner can ask, admit confusion, or fail a practice attempt without being shamed.
Purpose limitationEthics & Governance: The rule that data may be used only for the purpose for which it was collected, absent fresh consent.

Q

Quintuple aimLeadership & Strategy: Population health, experience of care, per-capita cost, workforce well-being, and health equity; the scorecard for health ventures.

R

RACI Matrix (RACI)Implementation: A responsibility-assignment chart that clarifies, for each task, who is Responsible, Accountable, Consulted, and Informed.
Radiology Information System / Picture Archiving and Communication System (RIS/PACS)Systems & Telemedicine: RIS manages radiology scheduling, workflow, and reporting, while PACS stores and distributes medical images (X-ray, CT, MRI, ultrasound) digitally.
RansomwareEthics & Governance: Malicious software that encrypts an organization's data and demands payment for its release, often disrupting operations until systems are restored.
Rational resistanceImplementation: Well-founded user reluctance responding to genuine costs (added time, broken-tool history, status anxiety, surveillance) rather than to ignorance.
Re-identificationEthics & Governance: Recovering a patient's identity from supposedly anonymous data using contextual clues.
Readiness (access, training, attitude)Systems & Telemedicine: The measurable preconditions determining whether clinicians can practise telemedicine safely.
Real-Time / Synchronous TelemedicineSystems & Telemedicine: Telemedicine conducted live, typically via video or phone call, allowing immediate two-way interaction between patient and provider or between providers.
Referral integration / closing the loopSystems & Telemedicine: Wiring tele-advice into the referral system so it changes patient flow, with a counter-referral that returns the outcome to the originating clinician.
RegisterData & Interoperability: A structured paper or digital record logging events of one type in sequence, one event per line.
RegistryFoundations: An authoritative single list (of patients, health workers, facilities, or terminology) that anchors a health information ecosystem.
Regulatory sandboxAI in Clinical Care: A supervised environment where innovations operate under defined scope and monitoring while evidence and regulation co-develop.
Remote patient monitoring (RPM)Systems & Telemedicine: The use of connected devices to collect a patient's health data (such as blood pressure, glucose, or oxygen saturation) outside a clinical setting and transmit it to providers for review.
RoadmapImplementation: A high-level, time-phased plan that shows the direction, priorities, and major milestones of a program or product over time.
Role-based access control (RBAC)Ethics & Governance: A security model that grants system access and permissions based on a user's job role, so people can only see or do what their role requires.
Root-Cause Analysis (RCA)Implementation: A structured investigation method used to identify the underlying cause of a problem or incident, rather than just its symptoms, so it can be prevented from recurring.
Run on roles, not heroesImplementation: Documenting operations so any competent person in a defined role can run the system, immunizing it against champion turnover.

S

SaMD pathwayEthics & Governance: The medical-device regulatory route applied to AI: risk classification, performance evidence for intended use, change control, and post-market surveillance.
ScaffoldingTraining & Capacity Building: Structured support and tiered tasks that let learners of different abilities progress together.
Scale (institutional condition)Implementation: The state in which a system's functioning no longer depends on any particular project, person, or donor.
Semantic vs. Syntactic InteroperabilityData & Interoperability: Syntactic interoperability means systems can exchange data in a common format; semantic interoperability means the receiving system also understands the exact clinical meaning of that data the same way the sending system does.
SensitivityAI in Clinical Care: The proportion of truly affected patients a tool correctly flags; high sensitivity minimises missed cases.
Service Level Agreement (SLA)Implementation: A documented agreement between a service provider and a customer that defines the expected level of service, such as response times, resolution times, and system availability, along with the consequences if targets are missed.
Shared health record (SHR)Data & Interoperability: The longitudinal clinical repository populated by point-of-service systems.
Signal loss (fidelity loss)Training & Capacity Building: Dilution or distortion of content as it passes through successive cascade handoffs.
Single Sign-On (SSO)Ethics & Governance: An authentication method that allows a user to log in once and gain access to multiple related systems or applications without re-entering credentials.
SMART guidelinesAI in Clinical Care: WHO's machine-readable clinical recommendations, enabling national protocol updates to deploy at software speed rather than retraining speed.
SMS / USSD / IVRSystems & Telemedicine: mHealth channels: SMS for universal text messaging on any phone; USSD for interactive *123# menu sessions without a data plan; IVR/voice for low-literacy users via recorded prompts in local language.
Social engineeringEthics & Governance: Manipulating people, rather than technology, into breaking security.
Software/AI as a medical device (SaMD)Ethics & Governance: Software intended for a medical purpose that functions without being part of a hardware device; the regulatory category many health AI tools fall under.
Source documentData & Interoperability: The original record (register, card, form) on which an aggregate number rests and against which it can be verified.
Special-category (sensitive) dataEthics & Governance: Sensitive data, including health data, protected by stricter processing conditions.
SpecificityAI in Clinical Care: The proportion of truly unaffected patients a tool correctly clears; low specificity produces many false alarms.
State as market-makerLeadership & Strategy: Sandboxes, standards/certification, procurement quality, and digital public infrastructure as a venture's operating environment.
Steering CommitteeEthics & Governance: A senior-level group that provides strategic direction, oversight, and decision-making for a program or major project.
Store-and-Forward (Asynchronous) TelemedicineSystems & Telemedicine: A telemedicine method where clinical data, images, or recordings are captured and transmitted for review at a later time, rather than in a live session.
Strategic persistenceImplementation: Sustained, problem-first, evidence-steered effort across political and funding cycles, the decade-long condition of durable scale.
Structured vs. Unstructured DataData & Interoperability: Structured data is organized into predefined fields (e.g., lab values, coded diagnoses) that are easy for computers to analyze; unstructured data (e.g., free-text notes, scanned documents, images) lacks this fixed organization and is harder to analyze directly.
Supportive supervisionData & Interoperability: Coaching-style oversight that checks and improves data quality with the worker rather than policing it.
Synchronous consultationSystems & Telemedicine: Real-time video or voice communication requiring simultaneous connectivity and scheduling.
Systematized Nomenclature of Medicine Clinical Terms (SNOMED CT)Data & Interoperability: A comprehensive, multilingual clinical terminology that codes detailed clinical concepts (findings, procedures, body structures) for use inside electronic records, distinct from billing-oriented ICD codes.

T

Targeted client communicationSystems & Telemedicine: A digital health intervention delivering tailored health messages to clients (e.g., MomConnect's maternal messages).
Tele-education and supervisionSystems & Telemedicine: Remote teaching, case review, and CPD for health workers; often the largest real use of telemedicine and a direct workforce multiplier.
Tele-ICUSystems & Telemedicine: A model in which critical care specialists remotely monitor and advise on intensive care unit patients in other facilities using video, data feeds, and communication tools.
TeleconsultationSystems & Telemedicine: A remote consultation between a patient and a clinician, or between two clinicians, conducted over phone, video, or a dedicated platform instead of an in-person visit.
TeledermatologySystems & Telemedicine: The use of photographs or live video of skin conditions to allow a dermatologist to assess and advise on diagnosis and treatment remotely.
TelehealthFoundations: A broader term than telemedicine that covers remote clinical care plus non-clinical uses such as provider training, administrative meetings, and public health education delivered via technology.
Telehealth guidelineSystems & Telemedicine: A national instrument (e.g., Ethiopia 2020) defining permitted modalities, clinical/documentation expectations, and safeguards; regulation acting as enabling infrastructure.
TelemedicineSystems & Telemedicine: The use of telecommunications technology to deliver clinical care to patients at a distance, such as diagnosis, treatment, or follow-up. It is a subset of digital health focused specifically on clinical service delivery.
TeleradiologySystems & Telemedicine: The electronic transmission of radiological images (such as X-rays, CT, or MRI scans) from one location to another for interpretation or consultation by a radiologist.
Terminology / Code SystemData & Interoperability: A structured, standardized set of codes and definitions (e.g., ICD-10, SNOMED CT, LOINC) used to represent clinical concepts consistently instead of relying on free-text descriptions.
Terminology serviceData & Interoperability: The running authority for codes (ICD, LOINC, national drug codes) that gives exchanged data shared meaning.
TicketImplementation: A recorded entry in a tracking system that documents a reported IT issue or request and follows it from creation through resolution.
Tiered cascadeTraining & Capacity Building: A training structure matching depth to role across frontline, supervisory, and national-technical tiers.
TimelinessData & Interoperability: Whether data arrives by the reporting deadline, in time to act on.
Total cost of ownership (TCO)Data & Interoperability: The full five-to-ten-year cost across capital and recurrent categories, in which recurrent (operating) costs typically dominate.
Trust calibrationAI in Clinical Care: Matching reliance on a tool to its validated performance on your population for its intended use.
Trust stackEthics & Governance: Chapter 4's layered foundation of legal protection, cybersecurity, sovereignty, and accountable institutions on which trustworthy digital health (and AI) rests.

U

Unit economicsImplementation: The cost per facility or per user, and its trajectory with scale, used to test national affordability early.
Universal health coverage (UHC)Foundations: A global policy goal (and SDG target) ensuring all people have access to needed quality health services without financial hardship.
Uptime / AvailabilityImplementation: The proportion of time that a system or service is operational and accessible to users, usually expressed as a percentage over a defined period.
Use cultureEthics & Governance: The managerial habit of actually using data to decide and act, which both improves data quality and signals readiness to climb the capability ladder.

V

Validation ruleData & Interoperability: A system check that rejects or flags an impossible or out-of-range entry at the point of capture.
ValidityTraining & Capacity Building: The degree to which an assessment actually measures the competency it claims to measure.
Value equationImplementation: The user's weighing of a system's costs against its perceived value; adoption fails when demands exceed value to the user (NASSS).
Virtual CareSystems & Telemedicine: Any interaction between a patient and their care team that happens remotely using digital tools, including video visits, messaging, and remote monitoring, as an alternative to in-person care.
Virtual Private Network (VPN)Ethics & Governance: A technology that creates a secure, encrypted connection over a public network, allowing remote users to access internal systems safely.

W

Wait timeTraining & Capacity Building: The deliberate ~five-second silence after a question that gives adults time to process and respond.
WearablesSystems & Telemedicine: Electronic devices worn on the body, such as smartwatches or fitness bands, that continuously track health metrics like heart rate, activity, or sleep.
WHO LMM guidanceEthics & Governance: WHO's 2024 guidance on large multi-modal models, cataloguing the fabrication, bias, and over-reliance failure modes and prescribing governed deployment.
WHO six AI-ethics principlesEthics & Governance: Protecting human autonomy; promoting well-being and safety; transparency and explainability; responsibility and accountability; inclusiveness and equity; and responsive, sustainable AI.
World Health Organization (WHO)Foundations: The United Nations specialized agency for international public health that publishes global digital health guidance, classifications (e.g., ICD), and normative standards.

Z

ZiplineSystems & Telemedicine: Rwanda's drone-delivery service, a model of contracting for outcomes (paying per delivery against a performance spec).