Diagnostic Procedures - Neuro

Question 1

What is the initial procedure of choice

Answer 1

CT

Question 2

What do CTs show

Answer 2

fractures and blood

Question 3

What do MRIs show

Answer 3

shearing, infarction, ischemia

Question 4

PET scans

Answer 4

detect additional areas of brain dysfunction not found on CT, helpful following recovery from TBI

Question 5

Transcranial doppler

Answer 5

non-invasive tool for measuring cerebral blood flow velocity in the circle willis, reflect pressure gradient

Question 6

Evoked potentials

Answer 6

recordings of the cerebral electrical impulses generated in response to visual, auditory, or somatosensory stimulation. detects lesions in the cerebral cortex, spinal cord, brainstem, thalamus

Question 7

Electroencephalography

Answer 7

recording of the electrical activity of the brain using electrodes attached to the scalp

Question 8

Cerebral angiography

Answer 8

injection of the electrical activity of the brain using electrodes attached to the scalp

Question 9

Lumbar puncture

Answer 9

needle placed in the subarachnoid space (L4-L5), CSF is removed for analysis