Causes

Pulmonary Arterial Hypertension

There are many causes of Pulmonary Arterial Hypertension (PAH) and your doctor will perform several tests to confirm that you have PAH and to look for a cause. Causes of PAH may include:

Heritable / Genetic

It is important for other close relatives to be tested if you have heritable PAH.

Drug and toxin

Chemical induced.

CTEPH

Chronic Thromboembolic Pulmonary Hypertension - blood clots in the lungs.

Association with other diseases

This includes connective tissue diseases (scleroderma, lupus and rheumatoid arthritis), HIV infection, congenital heart disease and liver disease.

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