Sam Heard and Heath Frankel from Ocean
At first archetypes can be a little overwhelming. With time a large community has taken interest and now has a shared view of what an archetype is in a non-technical sense. Collectively we see archetypes as constraint statements on the _open{_}EHR reference model. Then there were templates. Templates allowed aggregation of archetypes into one larger constraint statement (e.g. an antenatal visit template with weight, urinalysis, BP, fetal hearth, fundal height, abdominal exam) and included some differential statements about, for example, not using some parts of one of the archetypes (e.g. no recording of clothing state with weight) or making a maximum value a little smaller (e.g. maximum systolic BP of 350 mm[Hg]) in line with the specific context.
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