A critical care patient is diagnosed with massive head traum
a. The patient is receiving brain tissue oxygen pressure (PbtO2) monitoring. The nurse recognized that the goal of this treatment is to maintain PbtO2
a. greater than 20 mm Hg.
b. less than 15 mm Hg.
c. between 15 and 20 mm Hg.
d. between 10 and 20 mm Hg.
A
In a patient with head injury, the goal of treatment is to maintain the PbtO2 greater than 20 mm Hg. Factors that decrease PbtO2 include tissue hypoxia, hypocapnia, hypovolemia, decreased blood pressure, low hemoglobin levels, intracranial hypertension, and hyperthermia. Treatment is directed at the underlying cause.
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