A 17-year-old patient presents to A&E complaining of a tight…

A 17-year-old patient presents to A&E complaining of a tight feeling in their chest, shortness of breath as well as some tingling in their fingers and around their mouth. They have no significant past medical history and are not on any regular medication. An ABG is performed on the patient whilst they’re breathing room air and the results are shown below: PaO2: 14 kPa (11 – 13 kPa) || 105 mmHg (82.5 – 97.5 mmHg) pH: 7.49 (7.35 – 7.45) PaCO2: 3.2 kPa (4.7 – 6.0 kPa) || 24 mmHg (35.2 – 45 mmHg) HCO3–: 22 (22 – 26 mEq/L) BE: +2 (-2 to +2)