An 80 kg male is being ventilated in VC mode. ABGs indicated…

An 80 kg male is being ventilated in VC mode. ABGs indicated a pH of 7.29 PCO2 59 PO2 72 HCO3 28. Current ventilator settings are 600 IMV rate 8 total rate 24 35% FiO2. The RT should recommend increasing which TWO settings: I. Set flowrate II. SIMV rate III. Tidal volume IV. FiO2

A firefighter is brought to the ED after performing a search…

A firefighter is brought to the ED after performing a search and rescue in a burning structure. A nurse places a pulse ox on the firefighters finger, and the reading is 93%. The physician orders and ABG, and notes that the SaO2 on the ABG is only 73%. Which of the following is the most likely explanation of the difference?