NCLEX RN Practice Question # 659

NCLEX Examination.

Practice question # 659.


Sinus bradycardia


  • Atrial and ventricular rhythms are regular.
  • Atrial and ventricular rates are less than 60 beats/minute.
  • PR interval and QRS width are within normal limits.
  • Treatment may be necessary if the client is symptomatic (signs of decreased cardiac output).
  • Note that a lowheart ratemaybe normal for some individuals, such as in athletes.


  • Attempt to determine the cause of sinus bradycardia; if a medication is suspected of causing the bradycardia, withhold the medication and notify the HCP.
  • Administer oxygen as prescribed for symptomatic client.
  • Administer atropine sulfate as prescribed to increase the heart rate to 60 beats/minute.
  • Be prepared to apply a noninvasive (transcutaneous) pacemaker initially if the atropine sulfate does not increase the heart rate sufficiently.

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