A student nurse is observing a client's heart rate and notices a regular rhythm, heart rate of 45, 1 p wave followed by 1 QRS, PR interval of 0.16 seconds and a QRS complex of 0.06 seconds. The student nurse identifies this rhythm as which of the following?
a. Atrial fibrillation
b. Normal sinus rhythm
c. Sinus bradycardia
d. Atrial flutter
c. Sinus bradycardia
rationale: The characteristics of regular rhythm, heart rate of 45, 1 p wave followed by 1 QRS, PR interval of 0.16 seconds and a QRS complex of 0.06 seconds are all related to sinus bradycardia.
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