healthcare-emr-patterns

Healthcare EMR Development Patterns

Patterns for building Electronic Medical Record (EMR) and Electronic Health Record (EHR) systems. Prioritizes patient safety, clinical accuracy, and practitioner efficiency.

When to Use

• Building patient encounter workflows (complaint, exam, diagnosis, prescription)
• Implementing clinical note-taking (structured + free text + voice-to-text)
• Designing prescription/medication modules with drug interaction checking
• Integrating Clinical Decision Support Systems (CDSS)
• Building lab result displays with reference range highlighting
• Implementing audit trails for clinical data
• Designing healthcare-accessible UIs for clinical data entry

How It Works

Patient Safety First

Every design decision must be evaluated against: "Could this harm a patient?"

• Drug interactions MUST alert, not silently pass
• Abnormal lab values MUST be visually flagged
• Critical vitals MUST trigger escalation workflows
• No clinical data modification without audit trail

Single-Page Encounter Flow

Clinical encounters should flow vertically on a single page — no tab switching:

Patient Header (sticky — always visible)
├── Demographics, allergies, active medications
│
Encounter Flow (vertical scroll)
├── 1. Chief Complaint (structured templates + free text)
├── 2. History of Present Illness
├── 3. Physical Examination (system-wise)
├── 4. Vitals (auto-trigger clinical scoring)
├── 5. Diagnosis (ICD-10/SNOMED search)
├── 6. Medications (drug DB + interaction check)
├── 7. Investigations (lab/radiology orders)
├── 8. Plan & Follow-up
└── 9. Sign / Lock / Print

Smart Template System

interface ClinicalTemplate {
  id: string;
  name: string;             // e.g., "Chest Pain"
  chips: string[];          // clickable symptom chips
  requiredFields: string[]; // mandatory data points
  redFlags: string[];       // triggers non-dismissable alert
  icdSuggestions: string[]; // pre-mapped diagnosis codes
}

Red flags in any template must trigger a visible, non-dismissable alert — NOT a toast notification.