A converter for six ADT trigger events in .NET 10 with no package dependencies: a v2 reader, a mapper that reads only the message, and an applier that handles duplicates, out-of-order events, sparse updates and merges. Twelve synthetic messages, applied to a FHIR R4 server, with every Bundle put through the HL7 validator.
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Case Study: Building a Modern FHIR Patient Timeline Explorer with .NET 10 and React 19
Executive Summary This case study explores the development of DooLittle Health Patient Timeline Explorer, a modern healthcare application that demonstrates enterprise-grade architecture patterns for FHIR-compliant patient data visualization. Built as a proof-of-concept, this project showcases best practices in full-stack development, cloud-native deployment, and healthcare interoperability standards. 🏥 HEALTHCARE INTEROPERABILITY SERIES This article is part of […]
Read more →Building Interoperable Healthcare Data Systems for AI: A Complete Guide to FHIR, Standards, and Governance
Healthcare AI fails when data remains siloed. This article explores how FHIR, SNOMED CT, and platform thinking enable interoperable healthcare data systems for AI at scale, with insights from EU, UK, and Ireland initiatives.
Read more →Reference Architecture: A Patient-Provider Platform over Two EHRs on Azure
A reference architecture for a HIPAA-regulated patient platform in front of two EHRs on Azure, with the booking path worked through in detail: who owns the slot, one transaction for the booking and its outbox event, idempotent delivery to the EHR over FHIR, and what happens when the EHR is down.
Read more →FHIR Integration Best Practices: Lessons from Production
Executive Summary FHIR (Fast Healthcare Interoperability Resources) has become the de facto standard for healthcare data exchange. This article shares production-tested best practices from implementing FHIR integrations across multiple EMR systems, processing 50M+ API calls monthly. 🏥 HEALTHCARE INTEROPERABILITY SERIES This article is part of a comprehensive series on healthcare data standards and interoperability. HL7 […]
Read more →CDA (Clinical Document Architecture): The XML Standard for Medical Documents
What is CDA and Why It Matters CDA Document Structure Sample CDA Document Structure .NET CDA Parsing Implementation CDA Document Generation Common CDA Sections (C-CDA) CDA vs FHIR Documents Standards and References Related Articles in This Series Conclusion
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