^*The members of the SFMU Cardiac Arrest Board are listed in the Acknowledgements section.

Received 3 September 2021 Accepted 7 September 2021

Correspondence to François Javaudin, MD, Department of Emergency Medicine, University Hospital of Nantes, SAMU44, 1 quai Moncousu, 44093 Nantes Cedex 01, France, Tel: +33 6 75 69 16 30; e-mail: [email protected]