Executive Summary HL7 v3 was designed in the 1990s as the successor to HL7 v2, promising a rigorous, model-driven approach based on the Reference Information Model (RIM). Despite 20+ years of development and standardization, v3 never achieved widespread adoption. Understanding why v3 failed—and where it still matters—is crucial for architects navigating healthcare interoperability standards. 🏥 […]
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EMR Modernization: Migrating from Legacy HL7 v2 to FHIR
Executive Summary Migrating from HL7 v2 to FHIR is one of the most critical modernization challenges facing healthcare IT. With billions of HL7 v2 messages processed daily across hospital EMRs, the transition requires careful planning using proven patterns like Strangler Fig, FHIR Facade, and Dual-Write strategies. 🏥 HEALTHCARE INTEROPERABILITY SERIES This article is part of […]
Read more →Building GDPR-Compliant FHIR APIs: A European Healthcare Guide
Executive Summary Building FHIR REST APIs in the European Union requires strict compliance with GDPR Article 9 for processing health data (special category personal data). This comprehensive guide provides solution architects and developers with production-ready patterns for implementing GDPR-compliant FHIR APIs, covering encryption, consent management, access controls, audit logging, and data subject rights. 🏥 HEALTHCARE […]
Read more →Inside Ireland’s Healthcare IT: HSE’s Digital Transformation Journey
Executive Summary Ireland’s Health Service Executive (HSE) is undertaking one of Europe’s most ambitious healthcare IT transformation programs. From rolling out the Individual Health Identifier (IHI) to deploying a national Electronic Health Record system, the HSE’s eHealth Ireland strategy is modernizing how 5 million Irish citizens access healthcare services. 🏥 HEALTHCARE INTEROPERABILITY SERIES This article […]
Read more →HL7 v2: The Messaging Standard That Powers Healthcare IT
Executive Summary HL7 v2.x remains the most widely deployed healthcare messaging standard globally, powering 95% of hospital interfaces despite being developed in the 1980s. This deep dive explores why HL7 v2 continues to dominate healthcare IT, how it works at a technical level, and how modern .NET developers can implement robust v2 interfaces for Irish […]
Read more →What is Landing Zone in Azure? How to implement it via Terraform
In Azure, a landing zone is a pre-configured environment that provides a baseline for hosting workloads. It helps organizations establish a secure, scalable, and well-managed environment for their applications and services. A landing zone typically includes a set of Azure resources such as networks, storage accounts, virtual machines, and security controls. Implementing a landing zone […]
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