[Guidelines of the European Resuscitation Council (ERC) on cardiopulmonary resuscitation 2021: update and comments].

The European guidelines on cardiopulmonary resuscitation, which are divided into 12 chapters, have recently been published. In addition to the already known chapters, the topics "epidemiology" and "life-saving systems" have been integrated for the first time. For each chapter five practical key statements were formulated. In the present article the revised recommendations on basic measures and advanced resuscitation measures in adults as well as on postresuscitation treatment are summarized and commented on.