APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -A thrombus is a blood clot that forms within a blood vessel. If a thrombus breaks free and travels through the bloodstream, it has become an embolus. Providers may refer to a thrombus that has become an embolus as a thromboembolism or simply an embolism.

Detailed explanation-2: -A pulmonary embolism is a sudden blockage in the arteries that supply blood to the lungs. It is caused by one or more blood clots. The blood clot can form elsewhere in the body, such as in the veins of the legs, pelvis, abdomen (tummy) or in the heart, and travel to the lungs.

Detailed explanation-3: -A blood clot that forms inside one of your veins or arteries is called a thrombus. A thrombus may also form in your heart. A thrombus that breaks loose and travels from one location in the body to another is called an embolus.