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What is meant by AV block?

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in Biology – Class 11 by (272k points)
What is meant by AV block?

(a) Impulse not reaching SA node

(b) Impulse not reaching the AV node

(c) Impulse not reaching Purkinje fibers

(d) Impulse not generating in the heart

This question was posed to me in homework.

This key question is from ECG topic in chapter Body Fluids and Circulation of Biology – Class 11

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Best answer
The correct option is (b) Impulse not reaching the AV node

To elaborate: When the impulse is not reaching the AV node then this is known as AV block. When the impulse is not reaching the Purkinje fibers then it is called a Purkinje block.

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