title: A troublesome artifact.
authors.forename: Miguel
authors.initials: M
authors.lastname: Fiol-Sala
authors.forename: Armando
authors.initials: A
authors.lastname: Bethencourt
authors.forename: Javier
authors.initials: J
authors.lastname: García-Niebla
mesh_terms: D054058:Acute Coronary Syndrome / Q000175:diagnosis*; D016477:Artifacts; D003951:Diagnostic Errors / Q000517:prevention & control*; D004562:Electrocardiography / Q000379:methods*; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008875:Middle Aged; D009038:Motion