Hi, I can see the difference between templates and archetypes and why the templates are needed for UI:s. The problem is the there is no complete template specification.
Is there a time plan for when it will be finished? Regards Olof --- Olof Torgersson Associate Professor Department of Computer Science and Engineering Chalmers University of Technology and G?teborg University SE-412 96 G?teborg, Sweden email: oloft at chalmers.se phone: +46 31 772 54 06 25 jul 2009 kl. 20.21 skrev Thomas Beale: > Bert Verhees wrote: >> >>> yes - but to do this, they need to be working with templates. >>> Archetypes on their own don't make sense as direct data-capture >>> models. >>> >> Thomas, I wonder why this is, maybe you can explain this or point >> to an >> explanation. >> > > Archetypes act as a way to standardise the *possible* data points > that could be captured about some topic, in any possible context > (i.e. type of patient, type of clinic etc). So for example, the > blood pressure archetype (see > http://www.openehr.org/knowledge/OKM.html#showArchetype_1013.1.130) > contains the following data points in the 'data' part: > systolic pressure (SP) > diastolic pressure (DP) > mean arterial pressure (MAP) - perfusion pressure used by > anaesthetists > pulse pressure (PP) - difference between SP and DP > comment > Now, in actual real contexts, the things that can be used in a > meaningful way are one of the following: > SP, DP // the usual one > MAP - which is related by a formula to SP & DP (see > http://en.wikipedia.org/wiki/Mean_arterial_pressure) > PP - either computed from SP - DP, or measured directly by some > devices > MAP will never be needed in a normal GP or nursing context, and PP > won't usually be either, although I believe it is becoming moreso, > because the PP history is recognised as an indicator of some > problems. The point is, you will (probably) never create any data > set (such as a form or a message) that corresponds to a particular > clinical event (such as GP visit, etc) that contains all of these. > Instead, you will make a template, that contains the SP and DP, > possbly some other BP archetype items, and also a bunch of other > items from other archetypes. This latter combination of items is > what is being recorded in the specific situation. For another > context, e.g. emergency department admission, a different > combination of items will be recorded. Both could easily contain > common elements from the archetypes they use; this is why archetypes > exist - to standardise the semantic definitions of the information > items; templates exist to put them together (sometimes with further > constraints) for specific use cases. > > One reason that this is not always clear is that there are some > archetypes that would normally be used in their entirety in the > template, e.g. Apgar, Barthel, some lab results and so on (although > even then, the protocol information may or may not be included). > > hope this clarifies > > - thomas beale > > > _______________________________________________ > openEHR-technical mailing list > openEHR-technical at openehr.org > http://lists.chime.ucl.ac.uk/mailman/listinfo/openehr-technical --- Olof Torgersson Associate Professor Department of Computer Science and Engineering Chalmers University of Technology and G?teborg University SE-412 96 G?teborg, Sweden email: oloft at chalmers.se phone: +46 31 772 54 06 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openehr.org/mailman/private/openehr-technical_lists.openehr.org/attachments/20090726/e7c11690/attachment.html>

