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FHIR fixes: why a type hierarchy would help | Woland's cat

14-11-2019

One of the principal reasons for why I and others are proposing (some) type hierarchy in the FHIR Admin resources is as follows. Working Groups (i.e. committees) building Resources are currently in the situation of defining Elements in a Resource, …


FHIR Fixes – the Observation.value problem | Woland's cat

12-09-2019

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 …


Fixes for FHIR – the Admin Resources | Woland's cat

11-09-2019

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: FHIR has no semantic inheritance, only a generic structural inheritance of Resources from abstract …


Why using HIT standards fails to achieve interoperability | Woland's cat

06-09-2019

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 …


State of the clinical modelling program and international CKM | Blog - Atomica Informatics

23-07-2019

I sent this email to the openEHR lists yesterday. Published here for broader sharing, and perhaps as a resource for future benchmarking…


Improving Process State Representation in FHIR | Woland's cat

08-06-2019

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 …


FHIR versus the EHR | Woland's cat

24-05-2019

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 …


A FHIR Experience – the formalism | Woland's cat

08-05-2019

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 …


A FHIR experience: models or just definitions? | Woland's cat

06-05-2019

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) …


A FHIR experience: consistently inconsistent | Woland's cat

05-05-2019

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 …




Acknowledgements: Atlassian (Jira, Confluence) | NoMagic (MagicDraw UML)
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