Pulmonary hypertension is abnormally high
Alternative Names
Pulmonary arterial hypertension; Sporadic primary pulmonary hypertension; Familial primary pulmonary hypertension
Causes, incidence, and risk factors
The cause of primary pulmonary hypertension is unknown. Some cases are caused by a genetic defect.
The small arteries of the lung narrow throughout the lungs. Pulmonary hypertension is the result of greater resistance to blood flow. As a result of the increased workload caused by this resistance, the right side of the heart becomes enlarged. Eventually, progressive
This disease is rare. It affects more women than men.
















