If these valves are weak or damaged, blood can movement backward and pool while in the veins, leading to the veins to extend or twist. To diagnose varicose veins, a healthcare Qualified may make use of a test named a venous Doppler ultrasound of the leg. It's a pain-free exam https://www.sgvascularctr.com/what-surgery-is-available-for-varicose-veins/