pulmonary hypertension, primary, 1 (Monarch Disease Ontology identifier MONDO_0024533) is any primary pulmonary hypertension in which the cause of the disease is a mutation in the BMPR2 gene. Also known as: BMPR2 primary pulmonary hypertension, primary pulmonary hypertension caused by mutation in BMPR2, pulmonary hypertension, familial primary, 1, with or without HHT, pulmonary hypertension, primary, fenfluramine or dexfenfluramine-associated.