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?

Document the finding and continue to monitor the client.

Prepare the client for temporary pacemaker insertion.

Notify the client's health care provider immediately and then administer epinephrine IV.

Administer atropine per agency bradycardia protocol and then notify the health care provider

Answer and Explanation

The Correct Answer is A

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.

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Correct Answer is A

Explanation

A. It decreases spasm of the coronary arteries: Amlodipine is a calcium channel blocker that relaxes vascular smooth muscle, making it effective in treating coronary artery spasms in Prinzmetal's angina.

B. It increases the force of myocardial contraction: Amlodipine does not increase myocardial contractility; it primarily affects vascular tone.

C. It helps prevent clotting in the coronary arteries: Amlodipine is not an anticoagulant or antiplatelet agent.

D. It reduces the "fight or flight" response: Beta-blockers, not amlodipine, are typically associated with reducing the sympathetic nervous system response.

A. Pharmacological toxins B. Pleural infusion C. Autoimmune disorders D. Viral infections E. Peripheral vascular disease

Correct Answer is ["A","C","D"]

Explanation

A. Pharmacological toxins can contribute to myocarditis, as certain drugs may induce inflammatory responses in the myocardium.

B. Pleural infusion is incorrect. Pleural infusion, or pleural effusion, is not directly associated with myocarditis.

C. Autoimmune disorders such as lupus and rheumatoid arthritis can predispose individuals to myocarditis due to immune system dysregulation.

D. Viral infections are a major cause of myocarditis, particularly infections like coxsackievirus, parvovirus B19, and HIV.

E. Peripheral vascular disease is incorrect. While peripheral vascular disease is related to poor circulation, it does not directly contribute to the development of myocarditis.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Amlodipine (Norvasc) has been ordered for a client with newly diagnosed Prinzmetal's (variant) angina. The nurse knows the purpose of the amlodipine is to do which of the following?

Correct Answer is A

Explanation

The nurse is teaching a group of staff nurses about myocarditis. What would the nurse identify as being potential risk factors for this condition? Select All That Apply

Correct Answer is ["A","C","D"]

Explanation

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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?

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