Increased Intracranial Pressure

Question 1

↑ intracranial bulk →↑ pressure in cranial vault → cerebral hypoxia

Answer 1

Increased intracranial pressure

Question 2

Increased intracranial pressure definition

Answer 2

↑ intracranial bulk →↑ pressure in cranial vault → cerebral hypoxia

Question 3

MAP in ICP means?

Answer 3

Mean arterial blood pressure

Question 4

How do we get mean arterial blood pressure (MAP)?

Answer 4

(SBP + 2DBP)/3

Question 5

How to get CPP?

Answer 5

MAP - ICP = mmHg

Question 6

Normal ICP

Answer 6

5 - 15 mmHg

Question 7

Normal MAP

Answer 7

70 - 100 mmHg

Question 8

Normal CPP

Answer 8

60 - 100 mmHg

Question 9

Pressure to maintain blood flow to the brain

Answer 9

Cerebral perfusion pressure (CPP)

Question 10

Intracranial volumes

Answer 10

Brain, blood, CSF

Question 11

80% increase in brain volume will result to:

Answer 11

Cerebral tumor, abscess, edema → infection or trauma

Question 12

Cerebral tumor, abscess, edema can cause

Answer 12

infection or trauma

Question 13

10% increase in blood volume causes

Answer 13

AV malformation, Cerebral hemorrhage, embolism, thrombosis, aneurysm
(“ACETA”)

Question 14

10% increase in CSF causes

Answer 14

Obstruction of CSF outflow

Question 15

Obstruction of CSF outflow causes

Answer 15

Brain tumor, hydrocephalus, choroid plexus tumor

Question 16

What doctrine talk about,” if one volume ↑, the other two volume compensates by ↓”

Answer 16

Monroe - Kellie doctrine

Question 17

What is an emergency in increased intracranial pressure? How many minutes will the emergency before it becomes an irreversible brain damage?

Answer 17

Hypoxia
4-6 minutes

Question 18

Early sign of ↑ intracranial pressure
Adults:
Pedia:

Answer 18

Altered loc (restless, agitated and etc. )
High pitched cry

Question 19

What happens to eyes when having increase intracranial pressure?

Answer 19

Papilledema (optic nerve swelling)
Pathophysiology:↑ pressure → ↑ congestion → compress optic here

Question 20

Optic nerve swelling

Answer 20

Papilledema

Question 21

ICP in midbrain signs:

Answer 21

(-) doll’s eye sign
Decortication
Decerebration

( decorate first before celebrating )

Question 22

head movement → eyes remain midline or more in same direction

Answer 22

Negative doll’s eye sign

Question 23

Flexion e of upper extremities, extension of lower extremities

Answer 23

Decortication

Question 24

Extension of upper extremities, extension of lower extremities

Answer 24

Decerebration

Question 25

Medulla ICP signs

Answer 25

Projectile vomiting