Doppler ultrasound: This exam looks at blood move by bouncing higher-frequency seem waves (ultrasound) off pink blood cells. It may help uncover obstructions and rule out other probable will cause of swelling, like blood clots.  For the Vascular and Interventional Centre, we fully grasp the complexities of leg swelling and https://sgvasculargrp.com/medical-condition/lymphoedema/