An adult patient in respiratory failure has the following blood gases on a nasal cannula at 5 L/min: pH = 7.20; PaCO₂ = 67 mm Hg; HCO₃^-= 27 mEq/L; PaO₂ = 89 mm Hg. The attending physician orders intubation and ventilatory support. What FiO₂ would you recommend to start with? A) 0.21 B) 0.30 C) 0.50 D) 0.90

Question

Quizplus · Accepted Answer

Patients who have undergone previous blood gas measurement or oximetry who are doing well clinically and patients with disease states or conditions that normally respond to low to moderate concentrations of O₂ may begin ventilation with 50% to 70% O₂.

An Adult Patient in Respiratory Failure Has the Following Blood