first of all, this vessel will open the academician, alikyan, does, these are masterly white balloons that we will now import something. here you see, he passed, exactly beautiful. wow, the first stage is over. good luck. thanks for everything that's going on. in this operating room, under x-rays, it is the x-ray picture that the doctors see. here on this huge screen it turned out that i forgot to put on, an x-ray park. and since it does not work continuously. x-ray. protection should also be continuous in the second stage. it is necessary to replace the valve with a heart, because the most important vessel of the aorta, which the heart ejects blood. not just closed behind a calcified hole, instead of two and a half centimeters is only half a centimeter. so , looking at the x-ray picture , you need to feel for this hole and put rails there, along which the valves will then be delivered. now the stage of assembling the valve begins, everything that happens in this operating room is a scientific and technical miracle, because the disassembled valve is very large ; right now, there inste