title: Explain the A-V relationship.
authors.affiliation: Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool, UK.
authors.forename: Robert
authors.initials: R
authors.lastname: Cooper
authors.forename: Manoj
authors.initials: M
authors.lastname: Obeyesekere
authors.forename: George J
authors.initials: GJ
authors.lastname: Klein
authors.forename: Simon
authors.initials: S
authors.lastname: Modi
mesh_terms: D017147:Defibrillators, Implantable; D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D017180:Tachycardia, Ventricular / Q000175:diagnosis* / Q000517:prevention & control*