A nurse is caring for a client with heart failure (HF) and preparing to give a daily dose of Digoxin (Lanoxin). The nurse understands the rationale for giving this medication for HF is which of the following?
Lanoxin increases the heart rate
Lanoxin increases the force of cardiac contractions
Lanoxin order should be questioned in this diagnosis.
Lanoxin decreases the force of cardiac contractions
The Correct Answer is B
Rationale:
A. Lanoxin does not typically increase heart rate significantly.
B. Digoxin (Lanoxin) is a positive inotropic agent, meaning it increases the force of cardiac contractions.
C. Lanoxin is commonly used in the treatment of heart failure.
D. Lanoxin does not decrease the force of cardiac contractions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Reducing blood pressure until the patient is asymptomatic is not specific and may not be achievable or safe.
B. Reducing the blood pressure to normal over a period of hours may be too slow for a hypertensive emergency.
C. Reducing blood pressure to normal over a period of days is too slow for a hypertensive emergency.
D. The goal in a hypertensive emergency is to reduce blood pressure by 25% to 30% within the first hour, with the ultimate goal of a reduction of 50% in the first hour.
Correct Answer is D
Explanation
A. Radiofrequency catheter ablation is a long-term treatment for recurrent VT, not an immediate intervention.
B. CPR is indicated for pulseless VT, but this client has a carotid pulse.
C. Defibrillation is used for pulseless VT or ventricular fibrillation, but this client is still perfusing.
D. Synchronized cardioversion is the appropriate treatment for unstable VT with a pulse, as it delivers a timed shock to restore normal rhythm.
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