468Vulnerability for cardiac arrest in patients with ST elevation myocardial infarction: Is it time or patient dependent? Results from a nationwide observational study. (28th August 2018) - Salah, M; Gevaert, S; Coussement, P; Beauloye, C; Sinnaeve, P; Convens, C; De Raedt, H; Dens, J; Saenen, J; Claeys, M J