Neuro

Question 0

MRI

Contradindications

Answer 0

No pacemaker, no jewelery

No old tattoos that may have lead in them

Question 1

Pulse pressure widens with…

Answer 1

ICP

Question 2

Cerebral angiography
Basics
Major complication?

Answer 2

Uses dye, pt. Will feel flush, have metallic taste in mouth. Iodine based dye.
Embolus–

Question 3

EEG

Cannot not have____ pre-procedure?

Answer 3

Caffiene
Sedatives.
Do NOT make them NPO.

Question 4

Lumbar puncture

Side effects?

Answer 4

Headache that increases when the pt. sits up due to losing CSF. Treated with rest, blood patch(blood drawn from arm and placed into puncture to seal it.)

Question 5

Epidural hematoma

S/Sx

Answer 5

Emergency situation!!

Loss of consciousness, recovery period, can no longer compensate–> neurological changes as ICP increases (0-15mm Hg)

Question 6

How can you tell CSF from other fluids?

Answer 6

Sugary, high in glucose.

Halo test– CSF will settle on the outside of the other fluids.

Question 7

Increased ICP

Tx

Answer 7

Mannitol (large molecules, pulls fluid from brain cells into blood) usually given with Furosimide to diurese the now increased fluids in blood.
Hyperventilation- brain vasoconstriction
Fluid restriction

Question 8

Glasgow scale

If less than___, intubate.

Answer 8

Less than 8, intubate

Question 9

Normal ICP?

Answer 9

<15

Question 10

Myasthenia gravis

Answer 10

Weakening of muscle control

Question 11

Edrophonium

Answer 11

Given to distinguish between MG exacerbation and cholinergic crisis. If it is a cholinergic crisis, then Sx will temporarily worsen.