Key result
12-lead ECG findings correctly localize one-vessel coronary disease in up to ~98% of cases.
Why the study?
The accuracy of the 12-lead ECG in localizing the site of coronary artery narrowings in patients with one-vessel disease was investigated.
Does the 12-lead ECG accurately localize the site of coronary artery narrowings in patients with one-vessel disease?
Population
134 patients with angiographically documented one-vessel disease and abnormal ECGs during myocardial infarction, spontaneous angina, or exercise stress testing
Comparison
12-lead ECG findings vs angiographic localization of coronary artery narrowing
Design
Observational study
Authors
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ECG localization of one-vessel disease may aid anatomic inference in selected cases; leaves open performance in multivessel disease or routine practice.
Observational (n=134)
Does the 12-lead ECG accurately localize the site of coronary artery narrowings in patients with one-vessel disease?
p-value: p=<0.001
Specific ECG changes (Q waves, ST elevation, T-wave inversion) accurately localize coronary artery narrowings to the LAD or RCA/LCx, but cannot distinguish between RCA and LCx disease.
Fuchs et al. (1982) conducted an observational in One-vessel coronary artery disease (n=134). 12-lead ECG was evaluated on Accuracy in localizing the site of coronary artery narrowings (p=<0.001). 12-lead ECG findings of Q waves, ST elevation, and T-wave inversion correctly identified the location of one-vessel coronary disease in 98%, 91%, and 84% of cases, respectively.
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