Tom I know intermountain already do this from their labs - the important thing is that it can enable a clinician to do it as well - it might be the first reading in the record but is a major change from what the patient reports as normal - alcohol intake, weight etc.
I am thinking of the ability to flag it rather than write a lot of text to say this is more than in the past. Sam > -----Original Message----- > From: owner-openehr-technical at openehr.org > [mailto:owner-openehr-technical at openehr.org]On Behalf Of Thomas Beale > Sent: Wednesday, 10 July 2002 4:07 PM > To: Gerard Freriks > Cc: open-ehr technical > Subject: Re: Delta flag - HL7 > > > > > Gerard Freriks wrote: > > >The delta-flag is not an attribute to data but a subjective > interpretation > >recorded in a subjective view. > > > or at least an objectively computed difference with some previous > observation - but you are right, it is not raw data. I would say it is > up to an application to be looking backwards in time for previous > weights or whatver, and when it gets a new one which is wildly > different, it might alert the physician - but even to do that, you have > to establish reference ranges etc for that person, for what are > dangerous changes of weight. I imagine athletes and certain other > categories of people (actors maybe?-) change weight quite a lot but can > be quite healthy; others might creep to 200kg very slowly but be very > unhealthy. I don't think this is as simple as it seems.. > > - thomas > > > - > If you have any questions about using this list, > please send a message to d.lloyd at openehr.org > - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
