You are dispatched to a 65 y/o male with a severe bout of vomiting. His vomiting persists despite administration of antiemetic therapy. His vomiting continues in transport and he begins to drop in consciousness. His breathing becomes shallow and his respiratory rate falls to 5 . End tidal CO2 = 46; SaO2 = 90%; BP=125/55 What is your diagnosis?
A) Metabolic acidosis
B) Metabolic alkalosis
C) Respiratory acidosis
D) Respiratory alkalosis