The thing is that this reminds me to the CDA narrative part, which is
the only "required" part. If I remember correctly, the only part that
can be assumed right is the narrative. But as openEHR gives a lot of
weight to the structured part, then it could be other way around.

And by the way, I also agree that "none" is a correct answer :)

2013/10/29 Thomas Beale <thomas.beale at oceaninformatics.com>:
>
> I knew that question was coming ;-)
>
> Firstly, how would you detect an inconsistency? It can only be done by a
> human being, or else a quite sophisticated piece of software. Now, what does
> it mean if there is a difference?
>
> Firstly they are not quite 'duplicates'. The narrative is a directive to a
> human agent to do something, in a slightly coded language that is supposed
> to be understood unambiguously by the author and the reader.
>
> The structured representation is just that - a structure representing the
> medication order activities, timing etc.
>
> If they don't say the same thing it could mean:
>
> the software that created the structural representation has an error, and
> creates structures different from the clinical intention
> the software that created the narrative has an error, and created a
> different text from that required by the clinician
>
> As for any other data in the record, there is no 100% guarantee that any of
> it is right. The correct comparison is not just between the two, but between
> both of them and the original clinical intention, which is the reference.
> This comparison will only be made during testing, where the purpose is to
> ensure the software is bug-free.
>
> In routine use, inconsistencies probably won't be detected - the doctor will
> just assume the software works properly. So it's just a question of making
> sure the software works properly...
>
> - thomas
>
>
> On 29/10/2013 10:07, Diego Bosc? wrote:
>
> And if an inconsistency is detected, which one is supposed to be right?
>
>
> 2013/10/29 Thomas Beale <thomas.beale at oceaninformatics.com>
>>
>>
>> Just to re-iterate, the 'narrative' property is meant to carry the piece
>> of text that would appear on a medication or with a medication as supplied
>> by a pharmacy (including in a hospital). When the administering agent is a
>> human - the patient, family member or a nurse - this is normally the
>> concrete direction that is followed.
>>
>> The computable form of the order / instruction says the same thing, but in
>> a computable form, allowing structured querying, analysis, all the usual
>> stuff.
>>
>> This is probably the only place where there is content duplication in
>> openEHR, and as far as I can see, it needs to be like that, since there is
>> no standard way to generate the narrative text in its correct form from the
>> computable form (i.e. the Activities etc) - particularly since the text form
>> can contain quite particular words, 'codes' (like '3td po') and so on.
>>
>> If a 'standard' algorithm could be developed for this purpose it would
>> obviate the need for the narrative property, but I suspect this is a long
>> way off due to the medically & culturally specific content typical in the
>> narrative today.
>>
>> - thomas
>>
>>
>
>
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