Which of the following are primary goals of mechanical ventilation?
1. Adequate alveolar ventilation (VA)
2. Maintaining adequate hemoglobin levels
3. Restoring acid-base balance
4. Maintaining adequate alveolar oxygenation
a. 1 and 3 only
b. 1, 3, and 4 only
c. 2 and 4 only
d. 2, 3, and 4 only
ANS: B
Primary goals of mechanical ventilation are: adequate alveolar ventilation (VA), maintaining tissue oxygenation, FiO2, PEEP, and MAP, restoring acid-base balance, reducing WOB and myocardial work, providing PEEP/CPAP to recruit lung, lung protective strategy: Small VT and appropriate PEEP levels and maintaining Pplat less than 30 cm H2O.
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