Multiple Choice
A PR interval of greater than 0.20 seconds indicates:
A) an intermittent blocking of the impulse as it passes through the AV node.
B) an increased rate of impulse discharge from the AV junction.
C) a pacemaker site which is either in or close to the AV junction.
D) a delay in conduction of the impulse between the SA node and the ventricles.
Correct Answer:
Verified
Correct Answer:
Verified
Q8: The PR interval is the distance from
Q9: Shorter than normal PR intervals may be
Q10: The P'R intervals may vary from beat
Q11: PR intervals are considered normal if they
Q12: When a P' follows the QRS complex
Q14: The PR intervals get progressively longer in:<br>A)
Q15: A PR interval of less than 0.12
Q16: Preexcitation:<br>A) leads to a delayed depolarization of
Q17: You have determined the heart rate and
Q18: The PR interval is normally _ to