A member asked:

Difference between pulmonary hypertension and pulmonary atrial hypertension?

12 doctors weighed in across 4 answers

Pah: They are the same, you mean pulmonary arterial hypertension. It is high blood pressure in the lung circulation. It needs to be evaluated and treard.

Answered 7/7/2020

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Dr. Jesus Yap answered

More specific: Pulmonary hypertension is the General Term to describe hypertension in the pulmonary circulation.Pulmonary arterial hypertension describe the site of the hypertension which is in the arterioles or pre capillary. In contrast pulmonary venous hypertension is post capillary in the pulmonary veins.The latter is commonly due to left heart failure and the former is Idiopathic or unknown cause.

Answered 11/4/2018

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Dr. Charles Burger answered

Specializes in Internal Medicine - Pulmonary Critical Care

PH and PAH: Pulmonary hypertension (PH) is often first detected by echocardiogram and may be caused by a variety of conditions. Pulmonary arterial hypertension (PAH) is caused narrowing of the small lung arteries and must be diagnosed by heart catheterization. PAH requires treatment by an expert specialist.

Answered 7/7/2020

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PH vs PAH: PH (pulmonary hypertension) just indicates that the pulmonary artery pressure is increased which could be from any of several causes while pulmonary arterial hypertension (PAH) means the pulmonary artery pressure is high due to disease in the pulmonary arteries. PAH is a subset of PH but most cases of PH are are result of problems with the left heart and thus don't respond well to PAH medications

Answered 11/4/2018

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