title: Electrocardiographic diagnosis of left atrial enlargement. Role of the P terminal force in lead V1.
abstract: The ability of the electrocardiographic criterion, P terminal force in lead V1 (PTF-V1), to diagnosis left atrial enlargement (LAE) is evaluated in a group of 317 men. A left atrial index greater than 2.2 cm/m2, determined by echocardiography, is used as the standard for LAE. The value for this criterion of 0.04 mm-sec performs best, although there is no significant difference in percent correct diagnosis for values of PTF-V1 ranging from 0.03 to 0.09 mm-sec.
authors.affiliation: University of South Carolina School of Medicine, Columbia.
authors.forename: C B
authors.initials: CB
authors.lastname: Hopkins
authors.forename: O
authors.initials: O
authors.lastname: Barrett
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D006332:Cardiomegaly / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D006325:Heart Atria; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies