Tag Archives: openEHR

Why using expressions in workflow is wrong

Posted on 07/11/2022 by wolandscat

One of the basic elements of design common to all workflow languages, including YAWL and BPMN, is the inclusion of logical expressions on decision nodes. This seems harmless, and we followed it in openEHR’s Task Planning specifications. However, it is … Continue reading →

Posted in openehr, standards, workflow | Tagged , , , , , | 3 Comments

A Lingua Franca for e-health takes shape with GraphiteHealth

Posted on 15/05/2022 by wolandscat

Colleagues in e-health often say to me: why don’t you make openEHR easier to map to <insert popular interop standard> (used to be HL7v3, then HL7 CDA, now, HL7 FHIR… DSTU2/3/4/5?). To which I usually reply: if you are implying … Continue reading →

Posted in FHIR, Health Informatics, openehr, standards | Tagged , , , | 4 Comments

Aide Memoire for Computable Domain Models

Posted on 16/02/2021 by wolandscat

Sometimes a graphic is worth more than words. This is an attempt to capture all the salient features of multi-level modelling, the openEHR way. See the openEHR primer for the story. Although this is ‘our way’ of doing it, I … Continue reading →

Posted in Health Informatics, openehr | Tagged , , | Leave a comment

Towards a standard analysis of computable guidelines, clinical workflow, decision support and … the curly braces problem

Posted on 24/06/2020 by wolandscat

Why don’t we have widespread clinical decision support (CDS), computable guidelines, clinical workflow (plans), and why don’t the pieces we do have talk to the health record? The first time I heard such challenges framed was around 2000, and even … Continue reading →

Posted in decision support, Health Informatics, openehr, standards | Tagged , , , , , , | 10 Comments

Why using HIT standards fails to achieve interoperability

Posted on 06/09/2019 by wolandscat

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, standards | Tagged , , , , , | 1 Comment

Improving Process State Representation in FHIR

Posted on 08/06/2019 by wolandscat

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 →

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FHIR versus the EHR

Posted on 24/05/2019 by wolandscat

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 →

Posted in FHIR, Health Informatics, openehr, standards | Tagged , , , | 1 Comment

FHIR v openEHR – concreta

Posted on 10/10/2018 by wolandscat

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 , , , , | 2 Comments

Why the platform will replace today’s interoperability standards in healthcare

Posted on 21/07/2018 by wolandscat

For decades, most of us working in health informatics and e-health have lived on the assumption that ‘interoperability’ is one of the main things we are trying to achieve, and that it is the most important because the lack of … Continue reading →

Posted in Computing, FHIR, Health Informatics, openehr, standards | Tagged , , , , , | 9 Comments

openEHR Basic Meta-Model (BMM) and syntax major upgrade

Posted on 16/07/2018 by wolandscat

The openEHR Basic Meta-Model (BMM) that has been in use in some form for nearly 10 years now was recently upgraded to version 3.0.0 (from 2.x), with the persistence format (now called P_BMM) being backwards-compatibly upgraded to version 2.3. The … Continue reading →

Posted in Computing, FHIR, Health Informatics, openehr, standards | Tagged , , , , | Leave a comment