4.0 - Neurosurgery DX Flashcards Preview

Surgery > 4.0 - Neurosurgery DX > Flashcards

Flashcards in 4.0 - Neurosurgery DX Deck (23):
1

choroid plexus produces __mL of CSF/day

500

2

principla motor tract of the SC

corticospinal tract

3

first to assess in neurological exam

mental status

4

most relevant measures when mental status is impaired

pupil reactivity
Eye movement
facial symmetry
gag

5

also known as flexor posturing

decorticate rigidity

6

presence of babinski reflex signifies?

upper motor neuron dse

7

demonstrate fractures, osteolytic or osteoblastic, or pneumocephaly

plain x ray

8

extremely useful dx tool in the setting of new focal neurologic deficit, decreased mental status, or trauma

non contrast CT

9

CT scan type that help show neoplastic or infectious process; for px who cannot undergo MRI d/t pacemakers or metal in orbits

contrast CT

10

fine slice CT scanning is only used when?

abnormality is seen in plain films

11

assess vascular lesions

thin slice axial contrast CT scan

12

limit of CT angiography

aneurysms

13

assessing soft tissues of the head and spine

MRI

14

MRI sequence that detect neoplastic and infectious processes

T1 sequence

15

MRI sequence that assess lesion associated edema of the brain and neural compression of the spin

t2 qequence

16

can detect ischemic stroke than CT

DWI (diffusion weighted imaging)

17

assess dural venous sinuses patency/thrombosis

MRI venograms

18

gold standard for evaluation of vascular pathology of brain and spine

TCBA (transarterial catheter based angiography)

19

emg/ncs typically performed when?

3-4weeks after injury

20

invasive monitoring bores a hole in what part of the skull

right frontal portion

21

ventriculostomy placed in which part of the ventricles?

frontal horn of the lateral ventricle

22

similar to ventriculostomy but fewer complications

intraparenchymal fiber optic pressure transduscer (bolt)

23

mortality benefit in traumatic brain injury patients

brain tissue oxygen sensors