A subsegmental pulmonary embolism is a blood clot located on a distal, or distant and less central, branch of the pulmonary arteries. Treatment can depend on symptoms and risk factors. A subsegmental ...

Saddle pulmonary embolism describes a large blood clot that sits atop or “saddles” the main pulmonary artery where it divides and branches into the left and right lungs. It can cause breathing ...

Thrombosis and embolism are both blood clots that reduce or block blood flow inside your blood vessels. They’re two different yet serious conditions. Here’s a look at the differences and similarities.