Causes and Symptoms of PAH
Pulmonary hypertension can be congenital (i.e., inherited at birth), can develop spontaneously, or can develop as a result of other medical conditions. Symptoms of PAH include shortness of breath during normal activity, extreme fatigue, chest pain, and rapid heart beat.
As the condition progresses, the right ventricle becomes weak, severely limiting physical activity and eventually resulting in heart failure. Severe pulmonary hypertension can cause lightheadedness, fainting, swelling of the feet and ankles, and bluish coloring of the lips and skin (called cyanosis).