Key result
Temporary transvenous pacemakers can induce ventricular fibrillation in patients with acute myocardial infarction due to the 'R on T' phenomenon when pacing impulses fall on the repolarization phase.
Population
2 patients with acute myocardial infarction and bradyarrhythmias in a coronary care unit
Design
Case_series
Authors
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Alerts to arrhythmia risk from temporary pacing in acute MI; leaves open refined insertion protocols.
Case Report (n=2)
No
Temporary transvenous pacing can directly provoke life-threatening ventricular arrhythmias if failure to sense leads to pacing on the T wave.
McLeod et al. (2004) conducted a case report in Acute myocardial infarction with bradyarrhythmia (n=2). Temporary transvenous pacing was evaluated on Pacemaker-induced ventricular fibrillation. Temporary transvenous pacemakers can induce ventricular fibrillation in patients with acute myocardial infarction due to the 'R on T' phenomenon when pacing impulses fall on the repolarization phase.
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