A nurse is assessing an ECG rhythm strip. The P waves and QRS complexes are regular. The PR interval is 0.16 second. The overall heart rate is 60 beats/min. The nurse assesses the cardiac rhythm as:
A) Normal sinus rhythm
B) Sinus bradycardia
C) Sick sinus syndrome
D) Heart Block
Ans: A
Feedback: Normal sinus rhythm appears as a regular rhythm with a rate of 60 to 100 beats per minute. The PR and QRS measurements are normal according to normal sinus rhythm.
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