Medically reviewed by Lauren Schlanger, MD Key Takeaways A blood clot in your arm is often associated with a health condition like cancer or the use of an inserted device like a catheter or pacemaker, ...

Blood clots are a serious health problem that can affect people of all ages, although the risk becomes higher as people get older. A blood clot forms when blood thickens and sticks together, creating ...

A pulmonary embolism (PE) occurs when a foreign substance blocks an artery in your lungs, stopping blood flow. It’s usually caused by a blood clot, but can sometimes be due to lipid, air, or tumor ...

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 ...

Tens of thousands of people in the United States lose their lives to blood clots each year, according to the Centers for ...

A blood clot is a boon when you nick yourself while shaving or get a cut from the kitchen knife. Clotting stops you from bleeding out. But when a clot blocks arteries in major organs like the heart or ...