What is pulmonary embolism?
Pulmonary embolism occurs when an artery to the lungs is blocked. Generally, the blockage is caused by one or more blood clots that travel to your lungs from another part of your body. In most cases, pulmonary embolisms are tiny and are not life-threatening. but even small pulmonary embolisms are a main cause of hospital mortality and an increasing threat to passengers on prolonged airplane flights. In most circumstances that increase the risk of forming a blood clot, preventative measures can be quite effective in avoiding a pulmonary embolism. What are the varieties? Most pulmonary emboli are the result of blood clots. Partially due to the effects of gravity, blood clots generally form in the legs, but they can also develop in the arm veins, the right side of the heart or even at the tip of a catheter inserted into a vein to deliver intravenous fluids or medications. Occasionally, other substances circulating in the bloodstream, such as a globule of fat from the inside of a broken bo
