Arrhythmias in the paediatric intensive care unit: a prospective study of the rates and predictors of arrhythmias in children without underlying cardiac disease. - Cassel-Choudhury GN; Aydin SI; Toedt-Pingel I; Ushay HM; Killinger JS; Cohen HW; Ceresnak SR (Cardiology in the young, 2015)