title: Echocardiographic atrioventricular interval optimization in patients with dual-chamber pacemakers and symptomatic left ventricular systolic dysfunction.
authors.affiliation: Department of Internal Medicine, Medical College of Virginia, Virginia Commonwealth University, Richmond 23298-0053, USA.
authors.forename: David M
authors.initials: DM
authors.lastname: Gilligan
authors.forename: Donna
authors.initials: D
authors.lastname: Sargent
authors.forename: Vidyashankar
authors.initials: V
authors.lastname: Ponnathpur
authors.forename: Dan
authors.initials: D
authors.lastname: Dan
authors.forename: John S
authors.initials: JS
authors.lastname: Zakaib
authors.forename: Kenneth A
authors.initials: KA
authors.lastname: Ellenbogen
mesh_terms: D000368:Aged; D002303:Cardiac Output, Low; D018592:Cross-Over Studies; D004311:Double-Blind Method; D015150:Echocardiography, Doppler; D017548:Echocardiography, Transesophageal; D017079:Exercise Tolerance; D006327:Heart Block / Q000000981:diagnostic imaging / Q000628:therapy*; D006333:Heart Failure / Q000000981:diagnostic imaging / Q000628:therapy*; D006439:Hemodynamics / Q000502:physiology; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial; D011379:Prognosis; D011788:Quality of Life; D018570:Risk Assessment; D012720:Severity of Illness Index; D016896:Treatment Outcome; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging* / Q000401:mortality / Q000628:therapy*