This is a type of vascular ultrasound procedure done to assess blood flow and the structure of the leg veins. The term "duplex" refers to the fact that two modes of ultrasound are used - Doppler and B ...

Endovenous laser treatment can treat larger varicose veins in the legs. A laser fiber is passed through a thin tube (catheter) into the vein. While doing this, the doctor watches the vein on a duplex ...