Retrospective and prospective multicentric observational registry in French intensive care units (ICU) including all consecutive adult patients admitted in ICU with a documented SARS-CoV-2 disease :
- For an out-of-hospital or an in-hospital cardiac arrest (OHCA and IHCA respectively)
- Or presenting an unexpected in-ICU cardiac arrest (ICUCA) Patients characteristics, cardiac arrest history and patients outcome will be recorded according to Utstein recommendations.
Patients presenting an expected cardiac arrest in ICU related to withdrawal of life sustaining therapies (WLST) will be excluded.

