Why the study?
Do late potentials on signal averaged electrocardiogram predict cardiac sudden death and sustained ventricular tachycardias in patients with myocardial infarction surviving over 4 weeks?
Do late potentials on signal averaged electrocardiogram predict cardiac sudden death and sustained ventricular tachycardias in patients with myocardial infarction surviving over 4 weeks?
Late potentials detected by signal-averaged ECG have a high negative predictive value for sudden cardiac death and sustained ventricular tachycardia in post-myocardial infarction patients.
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High NPV may aid ruling out sudden death risk post-MI; leaves open need for prospective validation before guiding therapy.
Ozawa et al. (1990) studied this question.
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