Pulmonary Hypertension

as recorded during right heart catheterisation. It can be primary or it can be due to secondary causes. Its presence usually portends a poor prognosis. Pathology. The main causes of pulmonary arterial hypertension include: 1. Idiopathic (previously known as Primary): Essentially this means pulmonary hypertension of unknown cause. 2. Familial. 3. ................
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