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Category Archives: openehr
CIMI: purpose-built or jury-rigged?
In recent weeks, the Clinical Information Modelling Initiative (CIMI), led by Stan Huff, has followed its stated process and is nearing a voting process in which a shared health domain modelling formalism is chosen. Proponents of each of the candidate … Continue reading
Posted in Health Informatics, openehr
Tagged 13606, archetype, e-health, ISO 21090, models, standards
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DCM – Data Types and Reference Model considerations
Following the DCM meeting convened by Dr Stan Huff (Intermountain Healthcare) in Washington in July, reported in an earlier blog post, there is a further meeting this week in San Diego, which will discuss the issues of ‘data types’ and … Continue reading
Information models, DCMs and Archetypes
I will be attending a ‘Fresh Look’ meeting in Washington next week. The idea is to make some progress on the topic of ‘detailed clinical models’ (DCMs). Some of the goals include setting up a repository of DCMs, establishing governance, … Continue reading
Posted in Computing, Health Informatics, openehr
Tagged archetype, e-health, HL7, models, openEHR, standards
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DCMs – can they look good AND be computable?
Let’s talk about mindmaps and archetypes. Mindmaps seem to be fuzzy and friendly – we need them because they are incredibly efficient at transmitting information to humans. Archetypes seem über-mathematical, but we need them to do proper model-based computing.
Detailed Clinical Models (DCMs) – some basic facts
The New Zealand e-health programme architecture task-force has published its Working Interoperability Reference Architecture blueprint document. With respect to the document and the comments posted (I tried to post myself, but the comment disappeared), it seems worth making a couple … Continue reading
Posted in Health Informatics, openehr
Tagged archetype, DCM, e-health, HL7, openEHR, standards
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The HL7 Null Flavor Debate – part 2
Previous: HL7 null flavors part 1 Null flavors – Objection #3: ontological problems The following table shows the current HL7v3 null flavor values. A full version of the table appears in Grahame Grieve’s blog post.
Posted in Computing, Health Informatics, openehr
Tagged data types, HL7, ISO 21090, models, openEHR, standards
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The HL7 Null Flavor Debate – part 1
(With apologies to those who use international English and normally spell it as ‘flavour’; in this post, I will spell it properly in informal text, and in the US way when referring to the formal HL7 null flavour concept.) Grahame … Continue reading
Posted in Computing, Health Informatics, openehr
Tagged data types, HL7, ISO, ISO 21090, models, openEHR, standards
8 Comments
The crisis in e-health standards III – solutions
Prev: The crisis in e-health standards IIa Stakeholder Aspirations and Needs Before going so far as to offer a solution to the e-health standards problem, I want to have a look at what we consider to be the requirements that … Continue reading
Posted in Health Informatics, openehr
Tagged 13606, ehealth, HL7, IHTSDO, ISO, openEHR, standards
6 Comments