Software Design

Hospital EHR: Encounters & Prescriptions

UML Class Diagrams · made in Skemio

UML class diagram for a hospital EHR system showing Patient, Encounter, Provider, Prescription, and VitalSign classes.
UML class diagram for a hospital EHR system showing Patient, Encounter, Provider, Prescription, and VitalSign classes.
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What it shows

  • Anchor all observations and orders to an Encounter, not just the Patient.
  • Prescriptions require immutable provider signatures and DEA validation.
  • Vital signs must record precise timestamps and device calibration state.

The takeaway

Bind diagnoses, vitals, and medication orders to clinical encounters to preserve legal and medical context.

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