I am forwarding this to the list, since I think this is an important
discussion.
Sam Heard said:
Tom
The donor is definitely anonymous in most settings. The fetus can be
part of the mother - this is a bit like the local terminologies in
archetypes - we need a way of saying that the relationship is the only
defining feature and there is no ID.
Cheers, Sam
-----Original Message-----
From: Thomas Beale [mailto:thomas at deepthought.com.au]
Sent: Thursday, 12 December 2002 6:43 PM
To: Sam Heard
Subject: Re: Subject of care
Sam Heard wrote:
>Dear Tom
>
>Just checking that we can enter a subject or a subject relationship or both
>as invariants. Fetus and Donor probably are subject relationships as there
>is no person_ID.
>
there should be a person id - why would there not be a person id for
a donor? Is it because donor's are anonymous? Does this mean that
even the PMI or whatever has no idea who the donor is? If so, we
need a special "anonymous" or "anonymous donor" concept in the
demographic system to model this properly.
For a foetus, it may be the mother, if we consider that for some
time the mother is the subject and the foetus the "part_ of the
subject" being documented. Else we have to have a better theory of
id creation.
- t
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