27th August 2023

A 70-year-old man is found unresponsive at home

A 70-year-old man is found unresponsive at home. The ambulance crew reports that he has no pulse and is not breathing. His medical history is significant for chronic obstructive pulmonary disease (COPD), and he is a smoker. The patient is intubated and has a return of spontaneous circulation after cardiopulmonary resuscitation.

What is the most important immediate step in the management of this patient?