A Doppler ultrasound scan assesses the amount of blood flowing through blood vessels in the arteries and veins in the legs. During your baby bonding ultrasound scan, our experienced ultrasonographers can reliably determine the sex of your baby. If you need a medical ultrasound scan, skip the waiting list or use your private health insurance and book an appointment with a qualified radiographer or sonographers at one of our private diagnostic clinics. Drop us a message. Atherosclerosis can cause Peripheral Vascular Disease PVD , which can cause leg pain as the blood supply to the legs is restricted. A Doppler ultrasound, combined with a regular ultrasound, takes images of the lower limbs to enable doctors to evaluate how well the blood is circulating and to look for the presence of deep venous thrombosis DVT clots.