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As discussed previously on the mailing list, we need to develop an approach to persist unstructured data such as CDA documents as observations. This requires improvements to the existing OpenMRS Notes stub to allow it to persist provider notes.
Issue no. 3:
Supporting laboratory data.
In certain cases, a single lab result may be persisted as multiple observations grouped together because of the lack of a proper data type to store structured numeric lab results.
This topic has been discussed previously (see here), while some preliminary work has also been attempted (see here).
As per the discussion on the wiki page (link above) AMPATH may also benefit from this feature.
Indirectly related issues -
We need to consider any potential methods to improve performance around our Obs table, which can become very massive and cumbersome to use as time passes.