A child with increased intracranial pressure is being treated with hyperventilation. The nurse understands the need for this treatment is based on what?
A) PaCO2 levels decrease, causing vasoconstriction.
B) Drainage of cerebrospinal fluid occurs.
C) Activity is controlled via a stimulator.
D) Hyperexcitability of the nerves is reduced.
Ans: A
Hyperventilation decreases PaCO2, which results in vasoconstriction and therefore decreases intracranial pressure. A shunt would allow for drainage of cerebrospinal fluid. A vagal nerve stimulator is used to provide an appropriate dose of stimulation to manage seizure activity. Anticonvulsants decrease the hyperexcitability of nerves.
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