Ankle-brachial indexThe most common test for peripheral artery disease (PAD) is the ankle-brachial index (ABI), a painless exam in which a special stethoscope is used to compare the blood pressure in your feet and arms. The blood pressure in your arms and ankles is checked using a regular blood pressure cuff and a special ultrasound stethoscope called a Doppler. The pressure in your ankle is compared to the pressure in your arm to determine how well your blood is flowing and whether further tests are needed. Based on the results of your ABI test, as well as your symptoms and risk factors for PAD, your physician will decide if further tests are needed.
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