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11-06-2024
Medicine

Answered

A 66-year-old man presents to the ED complaining of palpitations, dizziness, light-headedness, and near-syncope. Past medical history is significant only for hypertension for 10 years. ECG reveals an irregularly irregular rhythm with no visible P waves and an undulating baseline. His blood pressure in the ED is 99/63 mm Hg, and his heart rate is 125 beats/min. Which one of the following is the most appropriate treatment?
Group of answer choices
A. Immediate direct current cardioversion
B. Metoprolol 5 mg IV administered over 2 minutes
C. Digoxin 0.25 mg IV, repeated every 2 hours up to a total dose of 1.5 mg
D. Amiodarone 300 mg IV administered over 1 hour

Answer :

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