FHIR Integration Architecture
EHR systems exchanging FHIR resources via an integration hub.
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flowchart LR
EHR1[(EHR — Epic)] -- HL7 v2 --> Hub["Integration engine<br/>(Mirth / Rhapsody)"]
EHR2[(EHR — Cerner)] -- FHIR R4 --> Hub
Lab[(LIS — lab)] -- HL7 v2 --> Hub
Rad[(RIS — radiology)] -- DICOM --> Hub
Hub -- FHIR R4 --> API[FHIR API server]
API --> App1[Patient portal]
API --> App2[Clinician app]
API --> App3[Research warehouse]
API --> Audit[Audit / consent service]
Audit -.-> API