A patient suffering from traumatic brain injury in the ICU has a PtO2 (tissue oxygen) value of 10 to 15 mm Hg, what does this indicate?
a. Normal intracranial pressure
b. Ischemic brain damage
c. Normal cerebral perfusion
d. Cerebral hyperperfusion
ANS: B
In patients with traumatic brain injury, brain tissue oxygen (PtO2) values when intracranial pres-sure and cerebral perfusion are normal are between 25 and 30 mm Hg. The critical threshold for ischemic brain damage and poor outcome is suspected to be around a brain PtO2 of 10 to 15 mm Hg.
Health Professions
You might also like to view...
Protective eyewear worn during specific phases of dental treatment will protect from the following EXCEPT _____________
a. splatter of saliva b. conjunctivitis c. chemical vapor d. hepatitis
Health Professions
Answer the following statement(s) true (T) or false (F)
Psychotherapy notes are considered work product privilege and are immune from subpoena.
Health Professions