Electronic Health Records (EHR)

Overview

Electronic Health Record (EHR) system schema for comprehensive patient health data. Maintains longitudinal medical history, current medications, allergies, vital signs, and lab results across multiple providers.

Key Design Decisions

• Longitudinal Records: Track patient health over time across providers
• Allergy Tracking: Critical safety feature for medication interactions
• Medication Management: Current and historical medication lists
• Vital Signs: Time-series data for monitoring patient health

Tables

12 tables covering patient demographics, medical history, allergies, medications, vital signs, lab results, and provider notes. HIPAA-compliant design with comprehensive audit trails.