Blood Clot (Thrombus)

What is the difference between chronic and acute lung clots?

A Answers (1)

  • ALyall Gorenstein, MD, Thoracic Surgery (Cardiothoracic Vascular), answered on behalf of Columbia University Department of Surgery
    A sudden blockage in the arteries of the lung, known as an acute pulmonary embolism (PE), begins as a clot in a vein elsewhere in the body that travels to the lung. A chronic blockage of the pulmonary arteries occurs when clots and other matter from the blood builds up in the vessels. It can be a part of a blockage remaining after the clearing of an acute pulmonary embolism, or a clot remaining from an undetected, and therefore untreated, acute pulmonary embolism.
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What is an acute pulmonary embolism (PE)?