Key result
Temporary overdrive AV sequential pacing suppresses drug-resistant electrical storm in a patient with AMI.
Case Report (n=1)
No
Temporary overdrive atrioventricular sequential pacing is a feasible and effective bailout therapy for drug-resistant electrical storm in the setting of acute myocardial infarction.
May offer bailout pacing in refractory electrical storm post-MI; hypothesis-generating and should not yet change practice.
A-55-year-old man with diabetes mellitus was admitted to hospital because of chest pain. He was diagnosed as anterior acute myocardial infarction and treated with stent placement. After 7 days, ventricular fibrillation occurred because of a subacute reocclusion and balloon angioplasty was performed. Despite reperfusion therapy, intraaortic balloon pumping, antiarrhythmic drugs and beta-blocker, ventricular tachycardia or fibrillation relapsed and cardioversion was performed 29 times during 32 h. Temporary overdrive atrioventricular sequential pacing was initiated and the malignant arrhythmia finally disappeared. Even after stoppage of 25 h overdride pacing, it never recurred. Temporary overdrive pacing is an easy and feasible therapy for a drug-resistant electrical storm associated with AMI and should be performed in the early stage.
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Kurisu et al. (2005) conducted a case report in Electrical storm in acute myocardial infarction (n=1). Temporary overdrive atrioventricular sequential pacing was evaluated on Suppression of malignant arrhythmia. Temporary overdrive atrioventricular sequential pacing successfully suppressed a drug-resistant electrical storm in a patient with acute myocardial infarction.
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