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Category Archives: openehr
FHIR Fixes – the Observation.value problem
As described in some detail in this earlier post on the FHIR formalism, a number of FHIR Resources contain ‘choice’ attributes of the form attribute[x], such as the one shown above in Observation. These are mapped in the FHIR UML … Continue reading
Why using HIT standards fails to achieve interoperability
I started working in the Health IT area in 1994, on a major European Commission funded project. I attended years of standards meetings at HL7, CEN and occasionally OMG and ISO from 1999 to about 2012. And I’ve observed the … Continue reading
Posted in Computing, openehr, Philosophy
Tagged HIT, HL7, interoperability, ISO, openEHR, standards
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Improving Process State Representation in FHIR
In this post I document further observations on the FHIR resources, made during the transcription of the DSTU4 FHIR resources to the BMM format used in openEHR, as described here. This post examines the definition of process state in FHIR … Continue reading
FHIR versus the EHR
One of the many things the FHIR silver bullet hype claims FHIR will solve is the EHR, along with Clinical Decision Support (CDS), Care Pathways, and who knows, paving driveways and launching spacecraft. I have made various arguments against silver … Continue reading
openEHR Task Planning – a visual model of clinical workflow
We have been making steady progress on the openEHR Task Planning specification and visual modelling language (TP-VML) for clinical workflow. One of the differentiators of Task Planning, is that, like YAWL, it is designed as a formalism for developing fully … Continue reading
Posted in Computing, Health Informatics, openehr
Tagged BPMN, CMMN, DMN, task planning, workflow
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Why the NHS needs its own health-tech university
The NHS has around one million employees and serves most people in England and Wales. We could easily imagine a slightly larger organisation serving the whole UK, although for historical reasons Scotland and Northern Ireland are separate. Another large public … Continue reading
Posted in Health Informatics, openehr, standards
Tagged e-health, healthcare IT, NHS, platform
4 Comments
The long slow death of UML
The Unified Modelling Language aka UML has been around for 22 years, as you can see from the OMG UML page. We use it extensively to publish the openEHR specifications, in a similar way to many other organisations. Developers often … Continue reading
Why NPfIT failed
Below is my list of reasons why I think NPfIT failed. NPfIT was the NHS National Programme for IT in health, starting in 2002, with Richard Grainger appointed as NHS IT director. A timeline is published here. NPfIT is generally … Continue reading
Posted in Health Informatics, openehr, Politics, standards
9 Comments
Services Landscape for e-Health
Every so often I get bored of what I am doing and start trying to draw one of those ‘services roadmap’ kind of diagrams for e-Health. These pretty pictures appear in slide presentations, standards, whitepapers etc, but are not often … Continue reading
FHIR v openEHR – concreta
Some readers may have read my previous post FHIR compared to openEHR. If not, I recommend you do, it is available in Spanish, Japanese and Chinese as well as English. Here I aim to clarify some of the concrete differences … Continue reading
Posted in FHIR, Health Informatics, openehr
Tagged e-health, fhir, openEHR, platform, standards
2 Comments