What Causes Blood Clots?
Reviewed: Dr. Gromatzky
5. Complications
Complications of blood clots differ according to the affected areas. Clots in a leg or an arm can cause DVT. Clots are dangerous because they cut off blood supply to the limb and may move up to the heart, lungs, or brain. If a blood clot reaches the heart, it can cause a heart attack. Severe abdominal pain and food poisoning-like symptoms may be an indication of a blood clot in one of the abdominal blood vessels.
Blood clots are also a common cause of brain strokes. Symptoms of a blood clot in the brain include sudden headaches, the inability to speak, and sudden loss of vision in one or both eyes. If a blood clot reaches the lungs, it causes pulmonary embolism, which can be fatal if not treated immediately.
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