Titration of intravenous anesthetics for cardioversion

30 adult patients with atrial fibrillation, atrial flutter, or paroxysmal supraventricular tachycardia requiring electrical cardioversion

Propofol (10 mg/mL) or methohexital (5 mg/mL) administered as titrated infusions at 10 mL/min until failure to follow verbal commands and degradation of lid response

Midazolam (0.5 mg/mL) administered as titrated infusion at 10 mL/min until failure to follow verbal commands and degradation of lid response

Time to awakening and hemodynamic assessment (mean arterial pressure)