Complex Exam 3 - intracranial regulation Flashcards
1
Q
What is a normal ICP?
A
5/10-15 mmHg
2
Q
What is a normal CPP?
A
60/70-95/100
3
Q
How is CPP calculated?
A
MAP-ICP
4
Q
What is a normal MAP?
A
70-100
5
Q
How is MAP calculated?
A
3
6
Q
How should the HOB be to decrease ICP?
A
at least 30
7
Q
What can increase ICP?
A
- hypercarbia
- suctioning
- coughing, vomiting
- neck or hip flexion/extension
- increased abdominal pressure
- hyperthermia
8
Q
How can ICP be decreased?
A
- keeping the body midline
- maintaining a patent airway and c-spine
9
Q
What are the earliest signs of increased ICP?
A
- altered LOC: confusion
- altered respirations: cheyne-stokes
10
Q
What are the characteristics of the eyes with increased ICP?
A
- uneven pupils (larger on the side of injury)
- double or blurred vision
- sluggish progressing to fixed
11
Q
Where does weakness or paralysis occur with increased ICP?
A
on the opposite side of the injury
12
Q
What posturing is a late sign of increased ICP?
A
decorticate or decerebrate
13
Q
What does Cushing’s triad consist of?
A
- severe HTN with widening pulse pressure
- decreased HR and RR
14
Q
What can be done to monitor ICP?
A
- bolts
- ventriculostomy
15
Q
What is the ideal blood pressure of someone with increased ICP?
A
slight HTN
