If There Is a Complete Block Between the SA Node

question 30

Multiple Choice

If there is a complete block between the SA node and the AV node, how would the ECG be affected?

• A) The P-R interval will be shorter.
• B) The QRS duration will be longer.
• C) There will be much bigger P waves.
• D) The ventricles will stop beating.
• E) The rate of P waves will be faster than the rate of QRS complexes.

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