Absolutely. This was what I was looking for. Thanks,
Stef Op 22-mei-2007, om 9:52 heeft Sam Heard het volgende geschreven: > Just to elucidate: > > In relation to observations there are 3 times that are formally > captured: > > 1. The timing event - this is the time the sample is taken with > blood tests, or the time of measurement of a blood pressure. This > is captured as part of the history class. > 2. The event context of the composition - this relates to the > clinical time, report time or whatever. > 3. The commit time - when the record is committed to the EHR. > > The important thing is that you could commit a record on Monday > having seen someone on Saturday (and made handwritten notes) and > recorded a blood sugar they took on Friday at 10.30am. > > Hope this helps...Sam > > Stef Verlinden wrote: >> Thanks for your clear explanation but it doesn't provide the clue I'm >> looking for. Since I lack a most of the technical background I can >> only approach it from a clinical point of view. >> >> My question is: Where/how do I register the data and time of an event >> that took place. >> So let's say that at this moment (May 18 2007 @10hrs10min) I want to >> register an event that took place last night (May 17 2007 >> @23hrs53min). >> How/where in the AT can I create a data entry field for this (if >> that's necessary at all) and how would this look like in a data entry >> template html page >> >> Op 17-mei-2007, om 3:18 heeft Andrew Patterson het volgende >> geschreven: >> >> >>>> I need some help in understanding the concept 'point in time'. >>>> As far >>>> as I understand it now the completion date/time of an event (f.i. a >>>> blood pressure measurement) is registered as a point in time in the >>>> event section of the archetype. >>>> >>> yes, that's my understanding as well. >>> >>> >>>> Thing is that I expected to find an entry field where I can enter >>>> that particular date and time. In the EHR_IM I found the Action >>>> class (p.71) which purpose seems to be to capture/record those >>>> points >>>> in time, is I figured that's the place to be. >>>> >>> well, there is a 'time' field in Action which is where you would >>> record >>> the time of an action. But blood pressure is an observation, and >>> unlike Action, all observations are modeled as a HISTORY of events. >>> >>> So in OBSERVATION, we find a HISTORY that has an 'origin' >>> time and also contains a set of time EVENT's. >>> >>> Each EVENT also has a 'time' field (with some restrictions on how >>> it relates to 'origin' in the containing HISTORY). >>> >>> However, you will rarely find any reference to one of these >>> fields in >>> an ADL document because these fields are generally unconstrained >>> (i.e you >>> wouldn't write an archetype that said the blood pressure had to be >>> measured at 03-06-2007). You will find that the 'offset' field is >>> often used - >>> this is defined as the difference in time between the EVENT and the >>> base time in the HISTORY. It can be used to model EVENT's that >>> must occur at set times after the 'origin' of the HISTORY (apgar >>> etc). >>> >>> INTERVAL_EVENT can be used to record fancy averages over time >>> etc. >>> >>> (I don't write archetypes so take this with a grain of salt! It's my >>> understanding >>> from a technical background, not a clinical background) >>> >>> Andrew >>> _______________________________________________ >>> openEHR-clinical mailing list >>> openEHR-clinical at openehr.org >>> http://lists.chime.ucl.ac.uk/mailman/listinfo/openehr-clinical >>> >> _______________________________________________ >> openEHR-clinical mailing list >> openEHR-clinical at openehr.org >> http://lists.chime.ucl.ac.uk/mailman/listinfo/openehr-clinical >> >> > > -- > Dr. Sam Heard > MBBS, FRACGP, MRCGP, DRCOG, FACHI > > CEO and Clinical Director > Ocean Informatics Pty. Ltd. > Adjunct Professor, Health Informatics, Central Queensland University > Senior Visiting Research Fellow, CHIME, University College London > Chair, Standards Australia, EHR Working Group (IT14-9-2) > Australia > Ph: +61 (0)4 1783 8808 > Fx: +61(0)8 8948 0215 > UK > Ph: +44 (0)77 9871 0980 > Fx: +44 (0)207 1174610 > > _______________________________________________ > openEHR-clinical mailing list > openEHR-clinical at openehr.org > http://lists.chime.ucl.ac.uk/mailman/listinfo/openehr-clinical -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openehr.org/mailman/private/openehr-clinical_lists.openehr.org/attachments/20070522/bcf723f8/attachment.html>

