title: QRS fragmentation in tetralogy of Fallot: clinical utility and risk prediction.
authors.affiliation: Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, Royal Brompton Hospital, London, UK.|NIHR Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, London and Imperial College London, UK.
authors.forename: Ee Ling
authors.initials: EL
authors.lastname: Heng
authors.affiliation: Adult Congenital Heart Centre and National Centre for Pulmonary Hypertension, Royal Brompton Hospital, London, UK.|NIHR Cardiovascular Biomedical Research Unit, Royal Brompton & Harefield NHS Foundation Trust, London and Imperial College London, UK.
authors.forename: Michael A
authors.initials: MA
authors.lastname: Gatzoulis
mesh_terms: D004562:Electrocardiography; D006801:Humans; D012306:Risk; D017180:Tachycardia, Ventricular; D013771:Tetralogy of Fallot