Rerth test

The Rerth test is a supplementary test used to check whether a vein is normal. Use a tourniquet to tie the upper and lower legs of the patient, and let them walk for 10 steps to observe. If the superficial veins are atrophic, the superficial veins can return to the deep veins, indicating that the deep veins are good. The superficial veins are swollen. The obstruction of the superficial vein to the deep vein is indicative of thrombosis of the deep vein. After the exercise, the superficial venous vein is completely emptied. Once the exercise is stopped, the superficial vein is filled again, suggesting that the deep vein is unobstructed, but the valve is not functional. Through this examination, the corresponding symptoms can be judged.

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