History: An 85-year-old man is found unconscious at home. He has not been seen for several days. Below is his arterial blood gas on arrival: pH 7.21 Na…
History: A 53-year-old woman is found collapsed at home. Below is her arterial blood gas on arrival: pH 7.58 Na 138 mmol/L pCO2 12.6 mmHg K 3.7…
History: A 43-year-old man is found unresponsive after absconding from the psychiatric ward. Below is his arterial blood gas following endotracheal intubation: pH 7.03 Na 131 mmol/L…