Clinical Decision Support Flow
EHR event triggers CDS hook, returns suggestion card to clinician.
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sequenceDiagram
participant C as Clinician
participant EHR as EHR
participant CDS as CDS Hooks service
participant KB as Knowledge base
participant Lab as Lab system
C->>EHR: Open patient chart
EHR->>CDS: patient-view hook (FHIR context)
CDS->>KB: Lookup applicable rules
CDS->>Lab: Get recent labs (FHIR)
Lab-->>CDS: Observations
CDS-->>EHR: Cards (alerts + suggestions)
EHR-->>C: Display cards
C->>EHR: Accept "Order eGFR" card
EHR->>Lab: Order placed