Known Wolff-parkinson-white Syndrome Is in Medicine / Internal Medicine — 18yo Woman | Cardiology | SMLE Q#12151
SMLE Question #12151
Medicine / Internal Medicine
Cardiology
Objective: OBJ-163
Last updated: February 2026
An 18-year-old woman with known Wolff-Parkinson-White syndrome is seen after an emergency visit for atrial fibrillation with rapid ventricular response that required electrical cardioversion. She is now hemodynamically stable and reports occasional brief palpitations. ECG shows sinus rhythm with pre-excitation (delta waves). She is not pregnant and is not ready to proceed with catheter ablation. Which medication is the most appropriate choice for long-term rhythm control in this patient?
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