Health A-Z

Pulmonary Embolism

Clinical Definition A pulmonary embolism is a blockage in the lungs’ main artery. It is usually caused by detached fragments from a thrombus in another part of the body. The thrombus moves through the bloodstream and lodges in the pulmonary artery, creating an occlusion. Due to restricted blood flow to the lungs, hypoxia and pulmonary

Pulmonary Hypertension

Clinical Definition Pulmonary hypertension (PH) is high blood pressure in the lungs. In PH, the blood vessels in the lungs and the right side of the heart are sites of higher-than-normal pressure. It is different from regular hypertension, which affects the entire body. This significant pressure strains the heart’s right ventricle so much it may

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