Wednesday, May 27, 2015

What is a pulmonary embolism?

healthydailymail.com A pulmonary embolism is a blood clot that forms in a vein, travels through your bloodstream, and lodges in your lungs. A pulmonary embolism is a medical emergency because a large embolism, or sometimes many repeated smaller ones, can be fatal in a short time.


Normally, your blood flows from the right side of your heart to your lungs, where it picks up oxygen. The left side of your heart then pumps this oxygen-rich blood through a system of blood vessels called arteries. Once your blood has delivered the oxygen to various parts of your body, it enters another network of blood vessels called the veins. Your veins carry the now oxygen-poor blood back to your heart, which pumps your blood to your lungs to pick up oxygen again. If a blood clot forms in a vein, commonly a deep vein in your leg, it can move with the blood flow back to your lungs and lodge there. This blood clot is called a pulmonary embolism.

If your lung arteries become blocked by a blood clot, you may experience high blood pressure in your lungs. As a result, your heart pumps harder than usual. When your heart is continually overworked, it may enlarge, and it may eventually fail to perform. A large pulmonary embolism can cause your lungs and heart to fail. Fortunately, your chances of surviving a pulmonary embolism increase when your physician can diagnose and treat your condition quickly.


1 comment:

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