Practical writing on healthcare integration, HL7, FHIR and building on InterSystems IRIS — from people who run these systems in production.
The call usually goes the same way: the application was fine at launch, it’s crawling now, the vendor’s answer is more hardware, and the invoice for that answer keeps growing. Before you buy another server, it’s worth asking whether the architecture — not the capacity — is the constraint. Where conventional stacks hit the wall…
We’ve spent a decade building and running the external interfaces of the National Cancer Screening Register — every connection from the central register to pathology labs, Medicare, OCR, mail house systems and the client portal. Registers at that scale teach you lessons that apply to every chronic disease register, at every scale. Three stand out.…
Every healthcare integration project we scope eventually lands on the same question: should this interface be HL7 v2 or FHIR? The honest answer, after 35 years of connecting healthcare applications, is that it’s usually the wrong question. The right question is: what do the systems on each end of this connection actually speak? Australian pathology,…