Follow one patient encounter row as it travels from Hospital A's Data Warehouse
to Hospital B's Data Warehouse — every request, transform, and handoff along the way.
This infographic illustrates a typical record-level exchange between two hospital data warehouses using industry-standard
protocols (HL7 FHIR, C-CDA, IHE XCA, MLLP/VPN). Actual implementations vary by vendor, network, and state regulation.