Pulmonary Embolism
A pulmonary embolism (EM buh liz um) is a blood clot in the large blood vessels in the lungs. Blood flow to the lungs can be totally blocked or partially blocked. You may hear a pulmonary embolism referred to as a “PE.” Causes Pulmonary embolisms are caused by blood clots that can develop from: Staying in one position for a long time. Certain illnesses, such as cancer and diabetes. Hereditary factors....