An embolism is when a blood vessel is blocked, usually by a blood clot that formed in another part of the body. The blockage is most common in the arteries that supply blood to the lungs, but can happen anywhere in the body.
An embolism is when a blood vessel is blocked, usually by a blood clot that formed in another part of the body. The blockage is most common in the arteries that supply blood to the lungs, but can happen anywhere in the body.