Scleroderma-Associated PAH
Pulmonary Hypertension (PH), also referred to as Pulmonary Arterial Hypertension (PAH), refers to an increase in the blood pressure in the lung vasculature. The narrowing of pulmonary arteries increases vasoconstriction and vascular resistance, which results in increased pressure on the right side of the heart in order to pump blood into the lungs efficiently and provide the required oxygen supply. If left untreated it can lead to failure of the right side of the heart.
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