Which of the following is a primary goal of catheter ablation in the treatment of atrial fibrillation?
To strengthen the heart muscle
To decrease the frequency of ventricular contractions
To permanently eliminate the need for anticoagulation therapy
To restore and maintain normal sinus rhythm
The Correct Answer is D
Rationale:
A. Catheter ablation does not directly improve myocardial contractility; its purpose is focused on electrical conduction rather than muscle strength.
B. While controlling ventricular response may occur with medications, ablation targets the atrial electrical pathways rather than directly controlling ventricular rate.
C. Anticoagulation decisions depend on stroke risk (e.g., CHA₂DS₂-VASc score); ablation does not automatically remove the need for anticoagulants.
D. The primary goal of catheter ablation in atrial fibrillation is to eliminate abnormal electrical pathways causing arrhythmia, thereby restoring and maintaining normal sinus rhythm and reducing symptoms.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. This statement demonstrates that the client understands the importance of activity pacing and energy conservation, which is essential in managing congestive heart failure (CHF) to prevent overexertion and exacerbation of symptoms.
B. Clients with CHF should weigh themselves daily at the same time each day to detect early signs of fluid retention and worsening heart failure. Weekly monitoring is insufficient.
C. Sodium restriction is a critical part of CHF management because excess sodium contributes to fluid retention and worsening edema. This statement indicates a misunderstanding of dietary recommendations.
D. Diuretics are typically taken in the morning to prevent nocturia and sleep disruption. This statement reflects an incorrect understanding of medication timing.
Correct Answer is C
Explanation
Rationale:
A. This is a surgical procedure for hypertrophic obstructive cardiomyopathy, not atrial fibrillation. It is unrelated to managing AF or symptomatic palpitations.
B. This procedure is used for continuous drainage of pericardial effusions or cardiac tamponade, not for treating atrial fibrillation.
C. This is the treatment of choice for symptomatic atrial fibrillation with rapid ventricular response when medication is insufficient or immediate rhythm control is needed. The procedure delivers a controlled electrical shock synchronized with the QRS complex to restore normal sinus rhythm safely.
D. This is used to remove excess fluid from the pericardial sac in cases of pericardial effusion or tamponade, not for atrial fibrillation management.
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