aniket Joshi wrote:
>Dear Sir, >The concept of "contribution" is definitely >'essential' for the functioninig of an efficient EHR model. >For all practical purposes the memory of the patient >and the HCP is in term of "events". >Each of these "events" have a distinct title for >eg.Appendicectomy and have a number of examinations inside them. >Each examination has a versioned_transaction as a record. >Thus the event is a cluster of examinations and >contribution can act as a cluster of >versioned_transactions with a title. > it seems to me this use of the word "event" is more what I would call an "episode", i.e. a period of time during which a number of related things happen (e.g. admission, examination, operation, review, discharge). The defining aspect of "contribution" we are saying is that it is the unit of change to the EHR - it is due to a single "clinical session", which might be - a patient contact - a set of test results - the acquisition and merging of an EHR extract or message >During retrieval the Health care provider will have to >select a contribution after which only the related >Versioned_transactions will have to be retrieved. >Will this reduce the speed? >DR ANIKET JOSHI > not completely clear on the querying scenario you are proposing here. - thomas beale - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
