Why the study?
Does the presence of late ventricular potentials on SA-ECG predict arrhythmic events in patients who survived acute myocardial infarction?
Population
220 patients who survived acute myocardial infarction
Comparison
Signal-averaged electrocardiograms to detect… vs Normal SA-ECGs (absence of late potentials)
Design
Cohort
Follow-up
1 year
Authors
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Late potentials on SA-ECG may stratify post-MI arrhythmic risk; leaves open whether routine use improves outcomes.
Does the presence of late ventricular potentials on SA-ECG predict arrhythmic events in patients who survived acute myocardial infarction?
Signal-averaged ECGs provide important prognostic information for identifying patients at risk of arrhythmic events in the first year after myocardial infarction.
Verzoni et al. (1989) studied this question.