title: Determinants of changes in QRS duration resulting from artificial attenuation of ECG voltage.
authors.forename: John E
authors.initials: JE
authors.lastname: Madias
mesh_terms: D016477:Artifacts; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology*; D017097:Electric Impedance; D004562:Electrocardiography / Q000379:methods*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity