ATI UNIT Neuro Diagnostics

Question 1

cerebral angiogram

Answer 1

• dye is injected usually via groin or neck into the arteries to visualize the vasculature of the brain
• assess for iodine/shellfish allergy

Question 2

GCS

Answer 2

Glasgow Coma Scale

15 = best

Question 3

ICP Monitoring

Answer 3

normal ICP is 10-15 mm Hg
ICP = severe headache, decrease LoC, restlessness, irritability, dilated/pinpoint pupils, slowness to react, alteration in breathing pattern (Cheyn Stoke respirations, apnea, hyperventilation) abnormal posturing

Question 4

lumbar puncture

Answer 4

CSF withdrawn form spinal canal either

1. b/c small amount to test
2. to decrease ICP
   - while undergoing procedure put in cannonball position
   - prone position can relieve headache following puncture

Question 5

PET/SPECT scans

Answer 5

caution in patients with DM as a glucose-based tracer is injected into the blood stream

Question 6

EEG

Answer 6

• stay awake for most of night to trigger symptoms

- wash hair