ICP

Question 1

normal ICP

Answer 1

0-15

Question 2

ICP is created by

Answer 2

blood, brain, CSF

Question 3

normal MAP

Answer 3

70-100

Question 4

pressure in arteries in 1 cardiac cycle

Answer 4

MAP

Question 5

MAP calculation

Answer 5

2(DBP) + SBP/3

Question 6

the pressure that pushes the blood to the brain, hence influences cerebral blood flow

Answer 6

cerebral perfusion pressure (CPP)

Question 7

low cerebral perfusion pressure means

Answer 7

brain tissue death

Question 8

normal CPP

Answer 8

60-100

Question 9

CPP calculation

Answer 9

MAP - ICP

Question 10

abnormal accumulation of water or fluid in the intra or extra cellular space

Answer 10

cerebral edema

Question 11

why does lower blood sugar cause lower LOC

Answer 11

brain uses 25% of bodies glucose

Question 12

earliest signs of ICP

Answer 12

CHANGES IN LOC, slowing speech, delayed response to verbal command

Question 13

cushings triad

Answer 13

bradypnea (or random breathing), bradycardia, HTN (widening pulse pressure up to 40)

Question 14

signs of increased ICP

Answer 14

HTN, low PR, low RR

Question 15

signs of shock

Answer 15

low BP, tachycardia, high RR

Question 16

always report

Answer 16

decorticate and decerbrate (worse)

Question 17

mannitol admin

Answer 17

admin via filtere tubing, I/O a must, watch for pulmonary edema and HF

Question 18

what enhances mannitol effect

Answer 18

furosemide (lasix)

Question 19

furosemide (Lasix) admin to help

Answer 19

lower edema and blood volume, lower sodium uptate in the brain, lower CSF production

Question 20

corticosteriods for ICP because?

Answer 20

cerebral edema

Question 21

management of ICP

Answer 21

injury prevention, assess ABG, log rolling, HOB 30 degrees, hydration, neurostatus q hour, strict I/O, head and neck in neutral position (avoid flexion), MAINTAIN BODY TEMP, no high peep,

Question 22

in ICP don’t suction for more than

Answer 22

15 seconds

Question 23

what is used for ICP monitoring

Answer 23

extra ventricular drain or ventriculostomies

Question 24

give to vent patients to keep them calm

Answer 24

morphine, fentanyl, midazolam (Versed), propofol, lorazepam (Ativan)

Question 25

used for seizures

Answer 25

dilantin (phenytoin sodium)

Question 26

used for stress ulcers

Answer 26

rantidine (Zantac), pantoprazole (Protonix), famotidine (Pepcid)

Question 27

what treats DI

Answer 27

desmopressin

Question 28

treatment for SIADH

Answer 28

fluid restriction, (800 ml/day no free water), 3% NACL infusion if NA level is below 118

Question 29

hypoxia is a potent

Answer 29

vasodilator. With hypoxia, blood flow increase to brain and therefore ICP

Question 30

low PaCO2 means?

Answer 30

vasoconstriction

Question 31

high PaCO2 is a potent

Answer 31

vasodilator