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Pulmonary Arterial Hypertension (PAH)


Pulmonary arterial hypertension (PAH) is a progressive medical condition characterized by high blood pressure in the arteries that supply blood to the lungs. This increased pressure results from the narrowing or stiffening of these arteries, leading to increased resistance and strain on the right side of the heart. Over time, this can cause the heart to weaken and potentially lead to heart failure.