in the 24-hour period before intravenous amiodarone treatment , patients experienced 2.4 +/- 2.3 ( range 1 to 9 ) episodes of life-threatening ventricular tachycardia , ventricular fibrillation or both , requiring 4.0 +/- 3.9 direct current cardioversions .
C0002598
amiodarone
C0042510
ventricular