FCEM2-0237
A 48 year old female presents to the emergency department complaining of palpitations. She reports experiencing brief episodes of palpitations over the past week, which typically resolve on their own after 5-10 minutes. However, today’s episode has been ongoing for 30 minutes. The patient denies any chest pain or shortness of breath. The patient’s vital signs are as follows:
Blood pressure: 110/70 mmHg
Pulse: 120 bpm
Respiration rate: 17 bpm
Temperature: 36.5ºC
Oxygen saturations: 97% on room air
An electrocardiogram (ECG) is performed and reveals atrial fibrillation. What is the most appropriate initial management for this patient?