And one more related theme from that call with a long-perspective idea: MAPPING table (in vocabulary) (problems with relationship)
We also had some ideas with ‘this infarction start_date is at least less than date_x’
So what if:
observation_date - calculated as YOB + Age + 1 year
observation_concept_id - 4214956 (History of clinical finding in subject)
value_as_concept_id - 4329847 (Myocardial infarction)
I believe that was @Alexdavv proposal, seems legit to me.