and so tatyana lvovna had an attack. by chance.clinic getting some kind of medical examination card there, the smart girl went and just like that, an ecg happened by chance. what did the doctor say? well, atrial fibrillation, all of a sudden he was sent to the hospital to the hospital, but the hospital did their own cardiogram, it did not fix atrial fibrillation. so it's good, but i thought maybe it doesn't exist at all. no, it has you looked friends. i looked, it's an electrocardiogram. that is, it is approximately the same as what we had on the screen, see this heart. that is, in principle, how the heart normally works, there is a special conductor – drivers. when he outputs, he gives an impulse, and it spreads through the atria through the ventricles and the heart beats rhythmically, first the atrium contracts, because when the ventricle is completely on the floor, it empties. uh or big circle circulatory system or what happens when a shimmering river begins chaotic excitation in the atria. uh, persecution, it doesn't shrink, an