23rd February 2024

A 35 year old male is brought into the emergency department by ambulance after being found unconscious.

A 35 year old male is brought into the emergency department by ambulance after being found unconscious. His GCS is 7 on arrival and on further examination his observations show HR 55bpm, RR 5 per minute, BP 85/40, O2 saturations 93% on air, blood glucose 6.7 and temperature of 36.4 degrees celsius. He has miosis and a sluggish pupil response to light. His chest is clear on auscultation, however his breathing is shallow and slow. Marks indicative of previous intravenous drug use are visible on both arms.

Select the single, most appropriate initial management option which will help manage this patient’s symptoms.