The patient is asymptomatic but is diagnosed with second-degree heart block Mobitz 1. The patient is on digoxin at home. Which of the following interventions will the nurse anticipate?
Administration of prescribed Atropine
A prescription for transcutaneous pacing.
An extra dose of digoxin will be prescribed
The next dose of digoxin will be held
The Correct Answer is D
A. Administration of prescribed Atropine. Atropine is typically used for bradycardia related to second-degree heart block Mobitz 2 or complete block, but Mobitz 1 usually resolves on its own and does not require atropine unless symptoms develop.
B. A prescription for transcutaneous pacing. Transcutaneous pacing is typically used for more severe types of heart block, such as Mobitz 2 or third-degree block, not Mobitz 1.
C. An extra dose of digoxin will be prescribed. Giving additional digoxin would be contraindicated due to its effects on AV conduction.
D. The next dose of digoxin will be held: Second-degree heart block Mobitz 1 (also known as Wenckebach) can be worsened by digoxin, which has a vagomimetic effect that can slow conduction through the AV node. Therefore, the next dose of digoxin should be held to avoid further exacerbating the block.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Have you had any immunizations recently?: Immunizations are not associated with a significant risk of infectious endocarditis.
B. Have you had any dental work done recently?: Dental procedures can introduce bacteria into the bloodstream, posing a risk for endocarditis, especially in clients with prosthetic valves.
C. Do you have a family history of endocarditis?: Endocarditis is not typically hereditary; risk factors are more related to procedures, infections, or valve abnormalities.
D. Have you ever suffered a heart attack?: While a history of a heart attack is relevant to cardiac health, it does not directly increase the risk for infectious endocarditis.
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.
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