ECG of the Week 21st December 2022

This ECG was obtained from a 22 year old man who had taken a polypharmacy overdose 24 hours ago. He had suffered a bradycardic / asystolic arrest and is currently in the intensive care unit. At the time of this ECG being printed, the patient is off all medical therapy directed towards chronotropy / inotropy. Please describe and interpret the ECG and outline your next steps to continue safely managing this patient.