A 50-year-old woman admitted to the emergency department demonstrates tachypnea, tachycardia, and appears pale. Breath sounds reveal bilateral crackles. ABG results with the patient using a nonrebreathing mask are as follows: PaO₂ = 48 mm Hg, PaCO₂ = 32 mm Hg, pH = 7.49, and HCO₃⁻ = 23 mEq/L. Which of the following is the most appropriate initial treatment for this patient?

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The Answer of A 50-year-old woman admitted to the emergency department demonstrates tachypnea, tachycardia, and appears pale. Breath sounds reveal bilateral crackles. ABG results with the patient using a nonrebreathing mask are as follows: PaO₂ = 48 mm Hg, PaCO₂ = 32 mm Hg, pH = 7.49, and HCO₃⁻ = 23 mEq/L. Which of the following is the most appropriate initial treatment for this patient?

A 50-Year-Old Woman Admitted to the Emergency Department Demonstrates Tachypnea