Which of the following complications has been associated with the use of PEEP in patients with ARDS?
a. Lung infection
b. Reduced cardiac output
c. Hepatic failure
d. Myocardial infarction
ANS: B
Because the primary goal of mechanical ventilation is to provide adequate oxygenation at safe levels of FiO2 while maintaining adequate DO2 to the body, the inverse relation between PEEP and cardiac output must be considered.
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A construction worker was accidentally shot with a nail gun. The nail penetrated the skull approximately one inch through the temporal region. Before your arrival, coworkers pulled the nail free. Based on the mechanism of injury, which one of the following signs or symptoms would provide the BEST evidence that the meningeal layers have been broken?
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