Special Circulations: Cerebral and Pulmonary Flashcards
1
Q
What is normal cerebral perfusion pressure?
A
80-100 mmHg
2
Q
What happens when CPP falls vs. rises?
A
- CPP falls=vasodilation (to enhance blood flow)
- CPP rises=vasoconstriction (to reduce blood flow)
3
Q
Why is cerebral perfusion pressure not just given by MAP?
A
CPP=MAP-intracranial venous pressure
not solely given by MAP due to compression against a rigid compartment
4
Q
What does the Monro-Kellie Doctrine state?
A
When the volume of one compartment increases, there must be a corresponding and compensatory decrease in the volume of other compartments.
