Biology, asked by suvosarkar5786, 10 months ago

What is likely to occur when sa node of heart fails to function?

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Answered by Anonymous
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Answered by Anonymous
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▶ If the SA Node fails to fire, or fires at a much slower rate, the AVnode may take over as pacemaker at a rate of 40 - 60 BPM. The AV Node then delays relay of the impulse to the Bundle of His to allow the atria to empty into the ventricles before the ventricular contraction starts.

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