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Today there are two alternatives to achieve the f= ormalization of multilevel modeling. The first is to extend the archetypes = and templates to support the new requirements, expanding its capacity for r= epresentation of clinical content. The second alternative is to define new = services using archetypes and templates, expand their modeling capabilities= but without modifying them. This second approach seems the more flexible a= nd neat, especially considering that the specification of archetypes and te= mplates for being robust and stable, and currently serving well the purpose= of modeling clinical content, and just that.
For example, in a multilevel approach = could have the following artifacts, where higher levels artifacts artifacts= may use lower levels:
A possible case of application of mult=
i-level approach may be to build a monthly report to the aggregation of cli=
nical cases in an emergency department of a hospital. Then, at level 2 should have modeled the classific=
ation of a patient, for example by reason of consultation and / or diagnosi=
s. At level 3 should have def=
ined a query for emergency patients, filtering by diagnosis. At level 4 is defined aggregation numbers o=
f patients by diagnosis (which uses the previously defined query). At level 6 is the definition of how t=
he report will be presented to a user. This flexibility is achi=
eved without modifying the application software (the elements defined in ea=
ch layer are independent of technology), as it would add new elements. =
;with new capabilities, user deman=
d, and also the elements already defined in each layer can be reused by new=
elements in the upper layers.