Pulmonary Arterial Hypertension National Organization for Rare
Disorders, Inc. It is possible that the main title of the report
Pulmonary Arterial Hypertension is not the name you expected.
Please check the synonyms listing to find the alternate name(s)
and disorder subdivision(s) covered by this report. Synonyms
Back to top - primary obliterative pulmonary vascular disease -
primary pulmonary hypertension - precapillary pulmonary
hypertension - idiopathic pulmonary arterial hypertension
Disorder Subdivisions Back to top - idiopathic pulmonary
arterial hypertension (IPAH) - heritable pulmonary arterial
hypertension (HPAH) General Discussion Back to top Pulmonary
arterial hypertension (PAH) is a rare, progressive disorder
characterized by high blood pressure (hypertension) of the main
artery of the lungs (pulmonary artery) for no apparent reason.
The pulmonary artery is the blood vessel that carries blood from
the heart through the lungs. Symptoms of PAH include shortness
of breath (dyspnea) especially during