An elderly woman was brought to the emergency department by ambulance after she collapsed at home. Her husband told the doctors that she had been well previously with no relevant past medical history. Upon arrival at emergency department, it was noticed that her airway is patent, and she is breathing spontaneously, with a respiratory rate of 20 breaths/min. Oxygen saturations are 74% on 35% oxygen. Her pulse is 140 beats/min and blood pressure 60/36 mmHg.

She has a Glasgow Coma Score of 11/15. What is the first priority in her management? *This case is from the Editorial team of Docplexus and is meant for educative purposes only. ##Disclaimer## The content provided on Docplexus is intended for educational purposes only. While we strive to ensure its accuracy, we make no warranties, explicit or implied, about the suitability, reliability, or adequacy of the information, including data…