Deep Vein Thrombosis Diagnosis

The diagnosis of a deep venous thrombosis (DVT) depends in part on the size, location, and symptoms of the blood clot. Medical imaging techniques such as ultrasound, MRI and CAT (CT) scans may locate blood clots. Blood tests for circulating D dimer and blood pressure tests such as plethysmography can also help make a diagnosis. Despite these tests, however, the only definitive diagnosis for DVT remains a venography, or x-ray of the veins.

Clinical Signs and DVT Symptoms

A DVT may not produce any noticeable symptoms. If symptoms are present, they usually include local swelling, pain, and tenderness. Further, the skin around the blood clot site may be red, or hot to the touch. These symptoms can also indicate a number of other conditions, including cellulitis and chronic venous insufficiency.

DVT symptoms may be vague, may indicate other diseases, or may not appear at all. Because of this, a physical examination is insufficient to make a diagnosis. Medical imaging techniques are essential to confirm DVT.

Deep Vein Thrombosis
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