28th February 2024

A 28-year-old woman arrives at the emergency department wheezing badly and struggling to breathe.

A 28-year-old woman arrives at the emergency department wheezing badly and struggling to breathe. She is a known asthmatic, and she has been using her inhaler frequently for the past few days. She is tachypnoeic, uses her accessory muscles to inhale, with oxygen saturations of 92%. 

What is the initial management of this patient?