The nurse is caring for a client who is on cardiac telemetry monitoring and notes that the PR interval is 0.16 seconds. Which interpretation is correct for the nurse to make?

It indicates a normal depolarization of the atria.

It provides information about atrial repolarization.

It shows an early indication of first degree heart block.

It reflects a delayed conduction through the atria.

Answer and Explanation

The Correct Answer is A

A. It indicates a normal depolarization of the atria: A PR interval of 0.12–0.20 seconds is within the normal range, representing normal conduction through the atria and AV node.

B. It provides information about atrial repolarization: Atrial repolarization is obscured by the QRS complex and not reflected in the PR interval.

C. It shows an early indication of first-degree heart block: First-degree heart block is indicated by a PR interval longer than 0.20 seconds.

D. It reflects a delayed conduction through the atria: A delay in conduction would result in a prolonged PR interval.

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Correct Answer is A

Explanation

A. Document the finding and continue to monitor the client: A PR interval of 0.24 seconds indicates first-degree AV block, which is often asymptomatic and benign if vital signs are stable. No immediate intervention is required other than continued monitoring.

B. Prepare the client for temporary pacemaker insertion: Pacemakers are not indicated for asymptomatic first-degree AV block.

C. Notify the health care provider immediately and then administer epinephrine IV: This is unnecessary as the client is stable and shows no signs of hemodynamic compromise.

D. Administer atropine per agency bradycardia protocol and then notify the health care provider: Atropine is not required for a stable heart rate of 72 bpm.

A. Bring the crash cart to the bedside B. Start Cardiopulmonary resuscitation. C. Defibrillate the client D. Administer Adenosine (Adenocard) to assist in determining the patient's rhythm E. Consider the "Hs and Ts" (reversible causes of cardiac arrest) to determine appropriate treatment.

Correct Answer is ["A","B","C","E"]

Explanation

A. Bring the crash cart to the bedside: Essential for advanced cardiac life support (ACLS), including defibrillation and medications.

B. Start cardiopulmonary resuscitation: High-quality CPR is critical to maintain circulation until defibrillation can occur.

C. Defibrillate the client: Defibrillation is the definitive treatment for ventricular fibrillation to restore a normal rhythm.

D. Administer adenosine (Adenocard) to assist in determining the rhythm: Adenosine is used for diagnosing or treating certain supraventricular tachycardias, not ventricular fibrillation.

E. Consider the "Hs and Ts": Identifying reversible causes of cardiac arrest (e.g., hypoxia, hypothermia, toxins) is part of the ACLS protocol.

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The nurse is caring for a client who is on cardiac telemetry monitoring and notes that the PR interval is 0.16 seconds. Which interpretation is correct for the nurse to make?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is evaluating a cardiac monitor strip for their client that displays a sinus rhythm with a heart rate of 72 bpm. The PR interval is 0.24 seconds. The vital signs are stable and the client reports no symptoms. What is the most appropriate nursing intervention?

Correct Answer is A

Explanation

The client is found in ventricular fibrillation. What interventions should the team implement? Select All That Apply

Correct Answer is ["A","B","C","E"]

Explanation

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