A Caregraf is
a patient’s structured data published according to Linked-Data principles
Yes, it’s a mouthful, but if you’re reading this, then you understand structured patient data – the likes of problem lists, prescriptions, procedures, consultations ordered and their results. You’re aware that machine-processable descriptions of a patient’s health start off in EHRs and all too often remain locked… Read More »
10 to 12% of statements in VistA patient records assert a date.
We refuse no patient care statement – all are welcome. A statement may begin life in an EHR like VistA or in a HL7 v2 message or in the tags of a Continuity of Care Document (CCD), but as long as it asserts something about a patient’s… Read More »
For us, medical expression boils down to triples, simple subject-predicate-object statements …
The problem is Hypertension of-patient "Joe Smith" recorded-on 2011-10-21 diagnosed-by "Dr Fred Jones"
… one triple after another, capturing a patient’s health, and so a key metric for us is how many triples does a typical patient get? Without a figure, we can’t know how big… Read More »
Mother Jones has diabetes so her son, Good-son Jones, has a family history of diabetes …
:1111 cgo:name "Good-son Jones" . <> cgo:subject :1111 // 1111 is Good-son Jones cgo:disorder <http://schemes.caregraf.info/snomed/416855002> // Diabetes mellitus in first degree relative
SNOMED says composed concepts like this are not primitive.
This disorder comes from SNOMED’s situation with explicit context sub-scheme which… Read More »
In our world, the web-of-data, everything is a simple statement, a triple of subject-verb-object. So when we look at an EHR, that’s what we see – statements.
Joe is allergic to strawberries,
Fred takes Nexium.
Funny enough, the notion that a health-data repository is just a container for statements makes sense to the non-technical: it’s the technical-insiders who balk… Read More »