blood disorders
Excessive Clotting
Diagnosis of Excessive Clotting
Blood tests to identify the specific cause of the blood clots Testing to identify the location of the blood clots A person who has had at least two separate instances of a blood clot without an apparent predisposing factor may have an inherited disorder that causes thrombophilia. An inherited disorder may also be suspected if a person with an initial blood clot has a family history of blood clots. A young healthy person who develops an initial clot for no apparent reason may have an inherited disorder. Blood tests that measure the amount or activity of different proteins that control clotting are used to identify specific inherited disorders that cause thrombophilia. Other testing depends on where the blood clot develops. If a clot is suspected in the leg, an ultrasound is done to look for blockage in a leg vein. If a pulmonary embolism is suspected, CT angiography of the lungs or a special 