On Tue, Jan 05, 2016 at 07:19:19AM +0000, Heather Leslie wrote:
> The notion of a patient being alive is only possible while they are in the
> room with you. As soon as they walk out the door they could drop dead.
>
> So this adds a further complication. From a pure modelling point of view:
>
> * the only reliable status is to record if a patient is dead, maybe
> alongside date of death, cause of death etc - ie the archetype of death that
> contains clinically relevant data!
>
> * for querying - if the patient is not recorded as being known as
> dead or deceased, then we assume either the patient is still alive or that
> their status is unknown.
>
> I suspect that the reality is that many current systems do have an alive vs
> dead status of some sort - would anyone like to confirm or deny?
GNUmed models
date-of-birth
date-of-death
and assums alive while the latter is NULL. Heuristics shows a
warning when the difference goes beyond 130 years.
Karsten
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