krasny to show us a rhythmic rhythm and an arrhythmic failure hermanshevich, and we will depict what is happening in the heart, let's go, and one, two, three, four, everything is good, five, the rhythm is out of order, pause, blood, brain don't... come on, this is the essence of arrhythmia, it doesn't matter why the rhythm is out of order, the result is important, in the end, in all cases, the blood will not flow, guys, thank you for starting a conversation on such a serious topic with the help of such wonderful music. so, we are starting a whole cycle in the program, which is called arrhythmia. so, dear friends, if the heart beats rhythmically, your life is wonderful. what is a normal pulse, herman shaich? 60, 100 beats per minute. 60 dash 100, now look, exactly with this frequency of electrical signals is given by this place, this is the main driver of the heart rhythm, which is called the sinus node. globally , the heart contracts approximately like this, right? approximately 60 beats per second, if less than sixty - this is bad, the blood will not flow to the bridge, if more than