What is the normal period of time for the PR interval?
A) Not longer than 0.20 sec
B) Not longer than 0.30 sec
C) Not longer than 0.45 sec
D) Not longer than 0.50 sec
Correct Answer:
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Q15: Which of the following ECG abnormalities is
Q16: The QRS of an ECG falls on
Q17: Which of the following waves represents depolarization
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Q19: What condition is often associated with right-axis
Q21: Which of the following clinical conditions are
Q22: On inspection of an ECG rhythm strip
Q23: Which of the following are common causes
Q24: What is a possible serious complication associated
Q25: What type of medications may lead to
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