Transient and rapid QRS widening associated with J-wave pattern predicts impending ventricular fibrillation in experimental myocardial infarction.

MM Demidova, A Martín-Yebra, J van der Pals, S Koul, D Erlinge, P Laguna, J P Martínez, P G Platonov. “Transient and rapid QRS widening associated with J-wave pattern predicts impending ventricular fibrillation in experimental myocardial infarction." Heart Rhythm; 11 (7). 1195–1201, 2014.