Inverted P' waves occur when the:
A) atria are firing at a rate of between 250 and 350 beats per minute.
B) impulses arise from the middle of the right atrium.
C) atria are firing in a rapid, chaotic manner stimulating all parts of the atria at the same time.
D) electrical impulse originates in or near the AV junction and travels upward into the atria causing retrograde depolarization.
Correct Answer:
Verified
Q15: When the atrial to ventricular conduction ratio
Q16: The P' waves in atrial tachycardia:
A) have
Q17: P' waves that continuously change in appearance
Q18: When the atrial waveforms appear in a
Q19: When the atria fire faster than 350
Q21: When there are more P waves than
Q22: When the P waves seem to "march
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)
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