PR intervals are considered normal if they are:
A) shorter than 0.12 seconds.
B) consistently the same duration.
C) vary in duration.
D) longer than 0.20 seconds.
Correct Answer:
Verified
Q2: The PR interval is the distance from
Q3: A normal PR interval:
A) is usually present
Q4: The PR interval is normally _ to
Q5: A PR interval of less than 0.12
Q6: A PR interval of greater than 0.20
Q8: Shorter than normal PR intervals may be
Q9: Preexcitation:
A) leads to a delayed depolarization of
Q10: When a P' follows the QRS complex
Q11: The most common cause of longer than
Q12: The P'R intervals may vary from beat
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