title: Response to Letter Regarding Article, "Outcome of Apparently Unexplained Cardiac Arrest: Results From Investigation and Follow-Up of the Prospective Cardiac Arrest Survivors With Preserved Ejection Fraction Registry".
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Adam R M
authors.initials: AR
authors.lastname: Herman
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Christopher
authors.initials: C
authors.lastname: Cheung
authors.affiliation: Division of Cardiology, Department of Medicine Libin Cardiovascular Institute University of Calgary Calgary, AB, Canada.
authors.forename: Brenda
authors.initials: B
authors.lastname: Gerull
authors.affiliation: Division of Cardiology, Department of Medicine Queen's University Kingston, ON, Canada.
authors.forename: Christopher S
authors.initials: CS
authors.lastname: Simpson
authors.affiliation: Division of Cardiology, Department of Medicine University of Ottawa Heart Institute Ottawa, ON, Canada.
authors.forename: David H
authors.initials: DH
authors.lastname: Birnie
authors.affiliation: Division of Cardiology, Department of Medicine Western University London, ON, Canada.
authors.forename: George J
authors.initials: GJ
authors.lastname: Klein
authors.affiliation: Division of Cardiology, Department of Medicine Quebec Heart and Lung Institute Quebec City, QC, Canada.
authors.forename: Jean
authors.initials: J
authors.lastname: Champagne
authors.affiliation: Division of Cardiology, Department of Medicine Population Health Research Institute Hamilton, ON, Canada.
authors.forename: Jeffrey S
authors.initials: JS
authors.lastname: Healey
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Karen
authors.initials: K
authors.lastname: Gibbs
authors.affiliation: Department of Medicine Montreal Heart Institute, Université de Montréal Montreal, QC, Canada.
authors.forename: Mario
authors.initials: M
authors.lastname: Talajic
authors.affiliation: Division of Cardiology, Department of Medicine QEII Health Sciences Center Halifax, NS, Canada.
authors.forename: Martin
authors.initials: M
authors.lastname: Gardner
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Matthew T
authors.initials: MT
authors.lastname: Bennett
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Christian
authors.initials: C
authors.lastname: Steinberg
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Mikyla
authors.initials: M
authors.lastname: Janzen
authors.affiliation: Division of Cardiology, Department of Medicine University Health Network Toronto, ON, Canada.
authors.forename: Michael H
authors.initials: MH
authors.lastname: Gollob
authors.affiliation: Division of Cardiology, Department of Medicine St. Michael's Hospital University of Toronto Toronto, ON, Canada.
authors.forename: Paul
authors.initials: P
authors.lastname: Angaran
authors.affiliation: Division of Cardiology, Department of Medicine Western University London, ON, Canada.
authors.forename: Raymond
authors.initials: R
authors.lastname: Yee
authors.affiliation: Division of Cardiology, Department of Medicine Royal Jubilee Hospital Victoria, BC, Canada.
authors.forename: Richard
authors.initials: R
authors.lastname: Leather
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Santabhanu
authors.initials: S
authors.lastname: Chakrabarti
authors.affiliation: Division of Cardiology, Department of Medicine BC Children's Hospital Vancouver, BC, Canada.
authors.forename: Shubhayan
authors.initials: S
authors.lastname: Sanatani
authors.affiliation: Division of Cardiology, Department of Medicine University Health Network Toronto, ON, Canada.
authors.forename: Vijay S
authors.initials: VS
authors.lastname: Chauhan
authors.affiliation: Division of Cardiology, Department of Medicine University of British Columbia Vancouver, BC, Canada.
authors.forename: Andrew D
authors.initials: AD
authors.lastname: Krahn
mesh_terms: D017147:Defibrillators, Implantable; D004562:Electrocardiography; D005260:Female; D006323:Heart Arrest / Q000175:diagnosis*; D006801:Humans; D008297:Male; D012042:Registries; D013318:Stroke Volume / Q000502:physiology*