What is the difference between Pulmonary Hypertension (PH) and Pulmonary Arterial Hypertension (PAH)?

​There is an important difference between PH & PAH. Pulmonary hypertension is a general term and simply means high blood pressure in the lung. The high blood pressure can be caused by many medical conditions such as diseases of the left heart, chronic lung diseases, sleep apnoea, and blood clots in the lungs. PAH is a specific cause of Pulmonary Hypertension where the arteries of the lungs are directly diseased and become narrowed. It is very important that the exact cause of PH is determined since treatment must be directed at the underlying condition.  ​CLICK for more information.

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