tests Flashcards
1
Q
Where should LPs be performed?
A
L4-L5
2
Q
In T1 imaging, white matter is..? CSF?
A
bright, dark
3
Q
T2 imaging, white matter is? CSF?
A
CSF is bright
4
Q
FLAIR imaging is most helpful for..
A
eval white matter disease
5
Q
DWI is most helpful for…
A
eval cellular toxicity (acute stroke) - areas of restricted diffusion are bright
6
Q
What waves are observed on EEG?
A
alpha, beta, theta, delta; theta and delta occur during drowsiness and sleep
7
Q
A delay in P100 potential suggests…
A
optic nerve dysfunction
8
Q
Absence of what potentials indicates poor prognosis in coma patients?
A
N20 evoked potentials
9
Q
What value decreases in NMD with regards to EMG?
A
CMAP (compound muscle action potential)
