title: Signal-averaged electrocardiographic detection of terminal QRS deflection suggesting late potentials.
abstract: A terminal QRS deflection on a 12-lead electrocardiogram (previously described as peri-infarction block) most likely represents slowed conduction in a large area of myocardium near the infarct zone. We have described a patient with peri-infarction block, abnormal findings on signal-averaged electrocardiogram, and reentrant ventricular tachyarrhythmias. Our observation underscores the need to recognize the importance of terminal QRS deflections in the appropriate clinical situation.
authors.affiliation: Department of Medicine, University of Missouri Health Sciences Center, Columbia.
authors.forename: C J
authors.initials: CJ
authors.lastname: Santolin
authors.forename: V
authors.initials: V
authors.lastname: Mukerji
authors.forename: M A
authors.initials: MA
authors.lastname: Alpert
authors.forename: B M
authors.initials: BM
authors.lastname: Graham
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006801:Humans; D008297:Male; D013610:Tachycardia / Q000503:physiopathology*