Short-coupled ventricular fibrillation represents a distinct phenotype among latent causes of unexplained cardiac arrest: a report from the CASPER registry. - Steinberg C; Davies B; Mellor G; Tadros R; Laksman ZW; Roberts JD; Green M; Alqarawi W; Angaran P; Healey J; Sanatani S; Leather R; et al. (European heart journal, 2021)