A 66-year-old man is complaining of severe, crushing, subs…
A 66-year-old man is complaining of severe, crushing, substernal chest pain. He is alert, with cool, diaphoretic skin. His skin color is normal, and bilateral breath sounds are clear and equal. His vital signs are: heart rate, 84 beats per minute; respiratory rate, 16 breaths per minute; blood pressure, 130/84 mmHg; SpO2 97% on room air. Which approach is correct with regard to oxygen administration in this patient?