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How is claudication diagnosed?
A physician will take a history and the diagnosis will be based on the patient's symptoms.
Testing for claudication may include:
Ultrasound is most commonly used to determine location and severity of the narrowing in the blood vessels.
Ankle-arm index measures the blood pressure at the ankle compared with the blood pressure in the arm. An abnormal result is an indication of peripheral artery disease.
Segmental blood pressure measures blood pressure in different parts of the leg (calf, low thigh, high thigh) to detect a blockage that is causing decreased blood flow.
Computed tomography (CT) and magnetic resonance angiography (MRA) are other noninvasive tests that can help a doctor map the blood flow in the affected areas. These tests may be considered if the patient's doctor thinks that a procedure (revascularization) to treat peripheral artery disease may be helpful.