Many, see list: Pulmonary arterial hypertension (pah) symptoms are caused by a lack of oxygen due to narrowed blood vessels in the lungs and increased stress on the heart. 1 breathlessness or shortness of breath (dyspnea), the most common symptom 2 feeling tired all the time 3 dizziness, especially when climbing stairs or when standing up 4 fainting (syncope) 5 swollen ankles & legs (edema).
Answered 8/30/2013
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