MSFinals-0887
A 25-year-old male presents with wheezing and a respiratory rate of 35/min, a pulse of 120 beats per min, blood pressure 110/70 mmHg, and a peak expiratory flow rate of less than 50% predicted. He has received back-to-back nebulisers of salbutamol 5 mg and ipratropium 0.5 mg for the past 45 minutes and is currently on face mask oxygen. Additionally, he has been given hydrocortisone 100 mg IV, and the intensive care team has been notified.
An arterial blood gas test was performed on high-flow oxygen, revealing a pH of 7.42 (7.36-7.44), PaCO2 of 5.0 kPa (4.7-6.0), PaO2 of 22 kPa (11.3-12.6), base excess of -2 mmol/L (+/-2), and SpO2 of 98.
What is the recommended next step in therapy for this patient?