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 D
Explanation
Rationale:
A. While documentation is important, a weight gain of ≥2 lb (≈1 kg) in 1–3 days and generalized edema indicates fluid retention and possible worsening heart failure, which requires immediate provider notification, not just documentation.
B. Although adherence to diuretics is important, simply confirming this does not address the acute risk of fluid overload and possible decompensation. Immediate action is required.
C. Education is important for prevention, but in this case, the patient is already showing signs of worsening heart failure, so reinforcing education alone is insufficient.
D. Rapid weight gain and generalized edema over a short period are red flags for fluid overload. The nurse should contact the provider immediately to report findings and receive guidance for interventions such as adjusting medications, evaluating for hospitalization, or further monitoring.
Correct Answer is C
Explanation
Rationale:
A. This patient shows signs of mild pulmonary congestion, but oxygen saturation is within an acceptable range and the patient is currently stable.
B. While this patient is on a vasodilator and has borderline low blood pressure, they are hemodynamically stable at this moment and not showing signs of acute deterioration.
C. This patient exhibits signs of poor perfusion and possible cardiogenic shock, which is life-threatening. These symptoms indicate an urgent priority for assessment and intervention.
D. This is a common side effect of ACE inhibitors and is non-emergent; the patient is stable and does not require immediate assessment
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