title: [Unexpected pause. What's the mechanism?].
authors.affiliation: Kingston General Hospital, Queen's University, Ontario, Canada.
authors.forename: Rodrigo
authors.initials: R
authors.lastname: Miranda Hermosilla
authors.forename: Francisco
authors.initials: F
authors.lastname: Femenía
authors.forename: Andrés R
authors.initials: AR
authors.lastname: Pérez Riera
authors.forename: Adrián
authors.initials: A
authors.lastname: Baranchuk
mesh_terms: D000369:Aged, 80 and over; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D054138:Sinus Arrest, Cardiac / Q000209:etiology*