On the day of the arterial doppler ultrasound, patients are asked to wear loose-fitting clothing that is easy to lift or remove if asked. Before the doppler ultrasound begins, the vascular specialist will apply a small amount of gel to the skin to lubricate the area of the skin that the ultrasound wand will glide over. The specialist will then press the wand onto the skin of the desired area to get a better view of the internal structures of the blood vessels and arteries. The entire ultrasound process typically takes 45-60 minutes to complete, after which time the patient can return to their normal daily activities, including work.