title: Diagnostic challenge of artifactual electrocardiographic tachyarrhythmias.
abstract: Electrocardiographic artifacts may generate recordings mimicking supraventricular and ventricular tachyarrhythmias. This report describes the diagnostic challenge presented by Holter or loop recordings in two patients, one with pseudo-atrial flutter and the other with pseudo- -polymorphic ventricular tachycardia.
authors.forename: S Serge
authors.initials: SS
authors.lastname: Barold
authors.forename: James D
authors.initials: JD
authors.lastname: Maloney
authors.forename: Bengt
authors.initials: B
authors.lastname: Herweg
mesh_terms: D000328:Adult; D016477:Artifacts; D001282:Atrial Flutter / Q000175:diagnosis* / Q000601:surgery; D017115:Catheter Ablation; D003951:Diagnostic Errors; D015716:Electrocardiography, Ambulatory / Q000009:adverse effects / Q000379:methods*; D005260:Female; D006801:Humans; D008875:Middle Aged; D013617:Tachycardia, Supraventricular / Q000175:diagnosis* / Q000601:surgery; D017180:Tachycardia, Ventricular / Q000175:diagnosis* / Q000601:surgery