Rare Diseases You've Never Heard Of

Pulmonary Arterial Hypertension (PAH)

Pulmonary arterial hypertension is a progressive condition characterized by high blood pressure in the pulmonary arteries, which carries blood from the heart to the lungs. Common symptoms include dizziness, shortness of breath, general fatigue and even periodic fainting. PAH occurs in about 15 out of every million adults.

Reviewed by: 
Review Date: 
February 28, 2014

Citation: 
Last Updated:
July 1, 2014