Resuscitation highlights in 2021

Background: This review is the latest in a series of regular annual reviews undertaken by the editors and aims to highlight some of the key papers published in Resuscitation during 2021. Methods: Hand-searching by the editors of all papers published in Resuscitation during 2021. Papers were selected based on then general interest and novelty and were categorised into themes. Results: 98 papers were selected for brief mention. Conclusions: Resuscitation science continues to evolve and incorporates all links in the chain of survival.