What are noninvasive Arterial and venous duplex studies and indications for these procedures?

A duplex ultrasound can help diagnose the following conditions:

  • Arterial- identify obstructive atherosclerotic diseases in the carotid arteries; surveillance of infrainguinal bypass grafts; surveillance of lower limb arteries after angioplasty
  • Venous- diagnose deep venous thrombosis above the knee, assess the competency of deep veinous valves, assess patients with recurrent varicose veins, identify and locate reflux at saphenopopliteal junction (