Thump, just like if you saw someone down the street and you thought they would have a heart attack you would thump them because it creates a wave and heart activity. if this is correct, what could have happened is that that impact, as underpowered as you point out it was was delivered at just exactly the right place and time, time meaning in the cardiac cycle where the heart s a little bit vulnerable. so when that left mechanical wave front impacts the heart, the rhythm can become chaotic and disorder and the . jason: doctor. one of the things yes, sir. jason: doctor, i want to thank you for your analysis here. we have to continue on. fox news is going to continue its coverage here, but, of course, we re talking about damar hamlin, who was playing for the buffalo bills against the cincinnati bengals. it was a monday night game. he collapsed.