What is an Electronic Medical Record (EMR)?
A patient’s medical information has often traditionally been stored on paper — handwritten notes, physical test results, and paper charts filed within a single practice. An electronic medical record (EMR) is the digital equivalent of that paper chart. It holds the same core clinical information in a structured, searchable format, accessible to authorised staff within that organisation. EMRs are in use across both primary and secondary care, from GP practices to outpatient clinics and specialist services (in UK secondary care, the term electronic patient record (EPR) is also commonly used).
What Does an Electronic Medical Record Contain?
An EMR captures the clinical information generated within a single practice or healthcare organisation. Rather than a folder of paper notes, clinicians work with a digital record that consolidates patient data in one place. The contents of a standard EMR typically include:
- Patient demographics and contact details
- Medical history, covering past diagnoses and conditions
- Current medications and allergy records
- Consultation and examination notes recorded by clinical staff
- Test results and investigations requested within the practice
- Treatment plans and any referrals made
What appears in a given EMR will depend on the clinical setting and the software platform the organisation uses. One important boundary applies regardless of system: an EMR holds only the records created within that practice. Data from hospitals, other GP surgeries, or external laboratories does not automatically feed into it unless it is shared or imported through agreed connections or workflows.
What is the Difference Between an EMR and an EHR?
Although the two terms are used interchangeably in many contexts, EMR and EHR describe different things. The core difference is one of scope and how easily information is designed to be shared beyond a single organisation.
| Feature | EMR | EHR |
| Scope | Single practice or clinical setting | Spans multiple providers and care settings |
| Portability | Stays within the originating practice | Designed to follow the patient across the care pathway |
| Connectivity | Internal, practice-level tool | Links GPs, hospitals, pharmacies, labs, and specialists |
| Primary purpose | Internal record-keeping | Coordinated care across the whole patient journey |
An EMR functions at the level of a single organisation. It records and stores clinical information generated there but is typically not designed to be shared outside the organisation. An EHR is built for interoperability: the intention is that information travels with the patient, giving different providers a joined-up view of their health history.
Within the UK, a third term is also in common use: electronic patient record (EPR). This is a commonly used term in secondary care, particularly across NHS trusts. In practice, the boundaries between all three terms are blurred, and a number of systems marketed as EMRs include interoperability features that bring them closer to EHR functionality.
How Are Electronic Medical Records Used in Clinical Practice?
Day-to-day, an EMR sits at the centre of how a practice operates. Clinical and administrative staff use it continuously across a working day for a broad range of functions:
- Documenting consultations and clinical findings as appointments take place
- Issuing and managing prescriptions, with often automated checks for drug interactions and allergy conflicts
- Ordering investigations and monitoring results returned to the practice
- Supporting appointment scheduling and patient recall, including reviews for long-term conditions and routine screening
- Producing referral letters and clinical correspondence directed to secondary care and other services
Practices operating EMR systems are bound by UK GDPR and the Data Protection Act 2018. This places clear obligations on them: records must be accurate, held securely, and made available only to staff with appropriate authorisation. Patients are entitled to request a copy of their own records at any time, a process handled through a subject access request (SAR), which can be made verbally or in writing, submitted directly to the practice.