PMID: 6401373Jan 1, 1983Paper

Intravenous amiodarone in the acute treatment of recurrent symptomatic ventricular tachycardia

The American Journal of Cardiology
F MoradyL A DiCarlo

Abstract

Fifteen patients aged 59.3 +/- 11.5 years (mean +/- standard deviation [SD]) had recurrent symptomatic ventricular tachycardia (VT) refractory to at least 2 conventional antiarrhythmic drugs. All patients had organic heart disease; 4 had an acute myocardial infarction. The mean ejection fraction was 0.30 +/- 0.09. TWelve patients had overt congestive heart failure. Five had bundle branch block. Before treatment with intravenous amiodarone, the patients had had 6 to 40 episodes of symptomatic VT over 1 to 8 days of hospitalization. All patients received an initial bolus of 5 mg of amiodarone/kg over 15 minutes. Seven patients also received a continuous infusion of 600 to 1,000 mg of amiodarone over 12 to 24 hours. Additional doses depended on the patients' clinical responses. In 11 of 15 patients, antiarrhythmic drugs that had failed to suppress VT were continued during administration of amiodarone. In 12 of 15 patients acute control of VT was obtained with intravenous administration of amiodarone either alone or in combination with previously ineffective drugs. Three patients continued to have frequent episodes of VT while being treated with intravenous amiodarone. Mobitz type I atrioventricular block developed in 1 patient. No...Continue Reading

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