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Past Posts
- Why using expressions in workflow is wrong
- A Lingua Franca for e-health takes shape with GraphiteHealth
- The Health IT Platform – a definition
- What is interoperability?
- Directions in clinical guideline programming – CHA2DS2-VASc
- Design-by-Contract (DbC) v Test-Driven Design (TDD)
- Software – from Development to Use and Ownership
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Recent Comments
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- Athanasios Anastasiou on Why using expressions in workflow is wrong
- wolandscat on Towards a standard analysis of computable guidelines, clinical workflow, decision support and … the curly braces problem
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Category Archives: Health Informatics
Fixes for FHIR – the Admin Resources
In this post I revisit the issues with the FHIR Resources described in the earlier post – A FHIR experience: models or just definitions? To summarise: However, there are changes that can be made that will greatly improve these characteristics, … Continue reading
Posted in FHIR, Health Informatics, 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
Posted in FHIR, Health Informatics, openehr, standards
Tagged fhir, openEHR, process, workflow
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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
A FHIR Experience – the formalism
This post continues the review presented in the previous post, where I looked at the Administrative resources of FHIR. Here I take a look at the formalism used in FHIR, i.e. how the resources (and profiles) are formally expressed. FHIR … Continue reading
Posted in FHIR, Health Informatics, standards
Tagged e-health, fhir, HL7, interoperability
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A FHIR experience: models or just definitions?
This is a second instalment of a technical review of the HL7 FHIR resources. As described in the previous post, this review is the result of an element-by-element transcription of the FHIR DSTU4 resources to the openEHR BMM (Basic-meta Model) … Continue reading
A FHIR experience: consistently inconsistent
In recent work I am involved in, the HL7 FHIR DSTU4 resources were converted to the openEHR formalism known as Basic Meta-Model (BMM), which is published as an open specification. BMM is an object-oriented formalism, conceptually similar to UML (minus … 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
Posted in Computing, Health Informatics, openehr, standards
Tagged e-health, standards, UML
3 Comments
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
8 Comments