title: When a search causes back-firing.
authors.affiliation: Heart Rhythm Service, University Hospital of Wales, Cardiff, UK.
authors.forename: Fong T
authors.initials: FT
authors.lastname: Leong
authors.forename: Andrew S
authors.initials: AS
authors.lastname: Penney
mesh_terms: D000368:Aged; D000465:Algorithms; D058409:Cardiac Resynchronization Therapy Devices / Q000009:adverse effects*; D004562:Electrocardiography / Q000009:adverse effects* / Q000379:methods*; D006801:Humans; D008297:Male; D013813:Therapy, Computer-Assisted / Q000379:methods*; D016896:Treatment Outcome; D014693:Ventricular Fibrillation / Q000209:etiology* / Q000517:prevention & control*
keywords: atrioventricular hysteresis; pacemaker-mediated tachycardia