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| Pulmonary arterial hypertension |
Familial PAH, idiopathic (Primary) PAH |
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PAH associated with collagen vascular disease, sarcoidosis, congenital left-to-right shunt, portal hypertension, human immunodeficiency infection, appetite-suppressant drugs, pulmonary veno-occlusive disease, pulmonary capillary hemangiomatosis, and persistent pulmonary hypertension of the newborn |
| PH with left heart disease |
Left-sided atrial, ventricular, or valvular heart disease |
| PH associated with chronic lung disease or hypoxemia |
Chronic obstructive pulmonary disease, interstitial lung disease, sleep-disordered breathing, alveolar hypoventilation syndromes, prolonged residence at high altitude |
| PH due to chronic thrombo-embolic disease |
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