title: [T wave without QRS?].
authors.affiliation: Klinik III für Innere Medizin, Universität zu Köln. guido.michels@uk-koeln.de
authors.forename: G
authors.initials: G
authors.lastname: Michels
authors.forename: J
authors.initials: J
authors.lastname: Sparwel
authors.forename: M
authors.initials: M
authors.lastname: Kochanek
authors.forename: U C
authors.initials: UC
authors.lastname: Hoppe
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000209:etiology; D019644:Arthroplasty, Replacement, Hip; D016477:Artifacts; D003327:Coronary Disease / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D006304:Health Status; D006801:Humans; D011300:Preoperative Care; D012815:Signal Processing, Computer-Assisted