When the P waves seem to "march through" the QRS complexes it indicates:
A) a complete blockage of the AV node.
B) the atria are firing at a much faster rate than the ventricles.
C) the impulses are arising from the middle of the left atrium.
D) the atria are firing chaotically at a rate of greater than 350 beats per minute.
Correct Answer:
Verified
Q17: P' waves that continuously change in appearance
Q18: When the atrial waveforms appear in a
Q19: When the atria fire faster than 350
Q20: Inverted P' waves occur when the:
A) atria
Q21: When there are more P waves than
Q23: Shorter than normal PR intervals may be
Q24: Preexcitation:
A) leads to a delayed depolarization of
Q25: The PR intervals get progressively longer in:
A)
Q26: The PR intervals are not measurable in:
A)
Q27: With 2nd-degree AV heart block, Type II,
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