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发帖数: 77 | 1 i am not a cardiologist, but here is my much simplied version of explanation.
basically, on the back wall of your 右心房, there is a group of cells called
"s.a. node". the s.a. node is the pulse generator of your heart. these cells
initiates every heartbeat. when the electic pulse is generated, it travels
down a system called "histo-purkinge system", which are another specialized
group of cells in your heart. these cells are just like electric wires, they
are responsible for bring the pulses f |
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