<p>This practical guide offers tips on how to use a hand-held Doppler ultrasound for assessing peripheral arterial disease. Leg ulcers can have an extremely deleterious effect on a patient’s well being and quality of life. One part of a comprehensive assessment of a patient with a leg ulcer is to perform a Doppler ultrasound and examine the signals transmitted from the Doppler probe. However, this is a skilled procedure and forms only one part of the overall assessment.</p>