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 rec-ommend to start with?
a. 0.21
b. 0.30
c. 0.50
d. 0.90
ANS: C
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.
You might also like to view...
The central tendency of a numerical data set refers to
A) accuracy. B) the pattern created by the data when plotted on a logarithmic scale. C) the precision of the equipment from which the data were obtained. D) the value that typifies the data.
Which of the following types of doors is hung from an overhead track with rollers or glides?
A. Sliding B. Folding C. Vertical D. Swinging
The part of the brain that is responsible for emotion, thought, speech, integration, and memory is the:
a. brain stem. b. cerebellum. c. cerebrum. d. thalamus.
A double-entry bookkeeping system is based on the principle that the company's assets are equal to ____.
A. capital minus its liabilities B. liabilities minus its capital C. assets plus its liabilities D. assets minus its liabilities E. capital plus its liabilities