vasily andreevich kochetkov vasily andreevich kochetkov cardiovascular surgeon candidate of medical sciencesr surgery named after academician petrovsky come to us, please, thank you andreevich please tell me why with varicose veins? expansion of the veins hurts and the legs swell; the valves that are in the veins are normal. they are responsible for the flow of blood, that is, the task of these valves is to pump blood from the bottom up from the foot to the heart. we have only one vein, and the vessels in organisms that distill blood against the phenomenon of gravity correctly, that is, the movement occurs, as a rule, from the bottom up, and therefore, of course, in order to avoid this backflow of blood return, there must be some valves and a wall. ven should be completely different. so, when the wall of the veins changes and the valve apparatus changes, it becomes insufficient. so, then the picture that we see on lyudmila's legs appears what is it? yes, this is when the valve fails, and we have a blood flow back vasily andreevich, this is what happens . usually, here it comes as a wreath, y