SMART App Gallery Reference

Examples and reference implementations for SMART on FHIR applications.

Official Resources

SMART App Gallery

The SMART App Gallery showcases registered SMART on FHIR applications.

Key features:

Searchable catalogue of healthcare apps
Verified publisher information
Compatibility details for different EHR systems

Reference Apps

App	Purpose	Source
Growth Chart	Pediatric growth tracking	GitHub
Cardiac Risk	ASCVD risk calculation	GitHub
BP Centiles	Blood pressure percentiles	GitHub

Drug Information Apps

Similar Applications

Applications with similar functionality to SgTxGNN:

Application	Focus	EHR Support
MedlinePlus Connect	Drug information	Epic, Cerner
Lexicomp	Drug interactions	Multiple
UpToDate	Clinical decision support	Multiple

How SgTxGNN Differs

SgTxGNN uniquely provides:

AI-predicted drug repurposing candidates
Dual validation (Knowledge Graph + Deep Learning)
Singapore HSA-approved medication focus
Evidence level classification (L1-L5)

Implementation Patterns

Launch Patterns

// EHR Launch
FHIR.oauth2.authorize({
  client_id: "your-client-id",
  scope: "launch patient/MedicationRequest.read",
  redirect_uri: "https://yourapp.com/callback"
});

// Standalone Launch
FHIR.oauth2.authorize({
  client_id: "your-client-id",
  scope: "patient/MedicationRequest.read launch/patient",
  redirect_uri: "https://yourapp.com/callback",
  iss: "https://fhir.example.com"
});

Data Fetching

// After authorization
const client = await FHIR.oauth2.ready();

// Get patient
const patient = await client.patient.read();

// Get medications
const meds = await client.request(
  `MedicationRequest?patient=${patient.id}&status=active`
);

Design Guidelines

User Interface

Follow SMART on FHIR design recommendations:

Responsive design for embedded frames
Clear branding and attribution
Accessible color contrast
Loading states for async operations

Performance

Best practices:

Lazy load non-critical resources
Cache static data
Minimize API calls
Use pagination for large datasets