Signal‐averaged electrocardiography and the significance of late potentials in patients with ‘idiopathic’ ventricular tachycardia: A review
Why the study?
What is the clinical utility and incidence of abnormal signal-averaged electrocardiography in patients with idiopathic ventricular tachycardia?
Population
Patients with or suspected to have ventricular tachycardia, including 'idiopathic' ventricular tachycardia…
Design
Review
Authors
Discussion
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Member takes
Implication
Signal-averaged ECG may aid VT substrate assessment; leaves open routine use pending prospective outcome data.
Structured PICO
What is the clinical utility and incidence of abnormal signal-averaged electrocardiography in patients with idiopathic ventricular tachycardia?
P
Population
Patients with or suspected to have ventricular tachycardia, including 'idiopathic' ventricular tachycardia, normal subjects, and patients with ventricular tachycardia related to ischemic heart disease
I
Intervention
Signal-averaged electrocardiography (SAECG)
O
Outcome
Incidence of abnormal signal-averaged electrocardiography (late potentials)surrogate
This review outlines the methodology and clinical application of signal-averaged electrocardiography for detecting late potentials as a marker for reentrant pathways in patients with ventricular tachycardia.
Cite This Study
Mehta et al. (1989) studied this question.