Heart failure (HF) ranks among the leading causes of hospital admission and death. Nevertheless, the factors precipitating mortality—particularly after a decompensation-related admission—are far more heterogeneous than once assumed. In the article “Multiple Cause of Death Analysis in Heart Failure According to Ejection Fraction” published in this issue of the Arquivos Brasileiros de Cardiologia, 519 patients hospitalised for decompensated HF between 2011 and 2019 had their death certificates examined with a multiple-cause-of-death (MCOD) approach. Over a mean follow-up of 2.9 years, […]