Immediately after cardiac arrest and resuscitation, a patient is placed on a ventilator in the con-tinuous mandatory ventilation assist-control mode. What initial FiO2 would you recommend?
a. 1.0
b. 0.8
c. 0.6
d. 0.4
ANS: A
Examples of disease states or conditions that typically warrant an initial FiO2 of 1.0 include acute pulmonary edema, ARDS, near drowning, cardiac arrest, severe trauma, suspected aspiration, severe pneumonia, carbon monoxide poisoning, and any disease state or condition resulting in a large right-to-left shunt.
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