title: Beat-to-beat QT interval variability in atrial fibrillation with and without congestive cardiac failure.
authors.forename: Vikram K
authors.initials: VK
authors.lastname: Yeragani
authors.forename: Swaroop
authors.initials: S
authors.lastname: Adiga
authors.forename: Nagaraj
authors.initials: N
authors.lastname: Desai
authors.forename: Ronald D
authors.initials: RD
authors.lastname: Berger
mesh_terms: D000368:Aged; D001281:Atrial Fibrillation / Q000150:complications / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006333:Heart Failure / Q000150:complications / Q000503:physiopathology*; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged