A homeless man is brought to the emergency room after being found unconscious and covered in vomitus. He is hypotensive and febrile on arrival. Laboratory investigations: Sodium: 130 mEq/L Potassium: 2.8 mEq/L Chloride: 72 mEq/L Bicarbonate: 21 mEq/L Glucose: 305 mg/dL pH: 7.55 PaCO 2 : 28 PaO 2 : 60 Can you identify the acid-base disorder(s) this patient is suffering from? ##Disclaimer## The content provided on Docplexus is intended for educational purposes only.

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