Key result
A novel 12-lead ECG algorithm correctly predicted the endocardial left ventricular tachycardia exit site in 93% of prospectively evaluated cases, without requiring prior knowledge of infarct location.
Why the study?
Can a novel algorithm using 12-lead ECG characteristics accurately predict endocardial LV VT exit site in patients with infarct-related VT?
Population
62 patients undergoing catheter ablation for human infarct-related ventricular tachycardia
Design
Cohort, blinded application in prospective validation cohort
Authors
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May aid pre-procedural VT ablation planning; extends ECG algorithms yet leaves open multicenter validation.
Observational (n=62)
Blinded
Can a novel algorithm using 12-lead ECG characteristics accurately predict endocardial LV VT exit site in patients with infarct-related VT?
A novel 12-lead ECG algorithm can accurately predict endocardial LV VT exit sites in patients with infarct-related VT, regardless of infarct location.
Segal et al. (2007) conducted an observational in Infarct-related ventricular tachycardia (n=62). 12-lead ECG algorithm was evaluated on Correct prediction of endocardial LV VT exit site location. A novel 12-lead ECG algorithm correctly predicted the endocardial left ventricular tachycardia exit site in 93% of prospectively evaluated cases, without requiring prior knowledge of infarct location.
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