<unk>  is the gold standard to diagnose venous thrombosis, however it is not the preferred test in clinical settings. It includes injection of contrast into the dorsal foot vein and checking for a intraluminal filling defect that is present in more than one view.
Deep vein thrombosis venography
Varicose veins ultrasound
Varicose veins CT
Varicose veins MRI
Deep vein thrombosis ultrasound
Deep vein thrombosis CT
Deep vein thrombosis MRI
Peripheral arterial disease ultrasound