Past medical history
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Not to be confused with Medical history or History of medicine.
"Past history" redirects here. Not to be confused with History of presenting complaint (history of the present illness).
"PFSH" redirects here. For the airport in Alaska with that ICAO code, see Shaktoolik Airport.
In a medical encounter, a past medical history (abbreviated PMH)[1] is the total sum of a patient's health status prior to the presenting problem.