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Sinus impulses first excite the right atrium and then reach the left atrium, both of which follow a top-to-bottom depolarization pattern, so that the frontal P loop runs in an anticlockwise direction.

Sinus impulses first excite the right atrium and then reach the left atrium, both of which follow a top-to-bottom depolarization pattern, so that the frontal P loop runs in an anticlockwise direction.

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Size Width Height Mp
s 500 px 500 px 0.5
m 1000 px 1000 px 2
l 2000 px 2000 px 8
xl 10000 px 10000 px 15

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