Flashcards
(241 cards)
White matter imaging
DTI
High signal T1, low signal T2, low signal T3
fat
Imaging modalities to differentiate different type of neurocognitive disorders
PET and SPECT
2 cardiac things Lithum can cause
SA block and sick sinus syndrome
Brain imaging findings of BPAD
enlarged amygdala; GP (globus pallidus) and putamen volume increase
MR spectroscopy reveals increased choline in what brain areas in depression
BG (basal ganglia) and AC (anterior cingulate)
Magnetoencephalography gets magnetic signals from what cells
pyramidal cells
Depression has volume reduction in what brain structures
Prefrontal cortex, AC (anterior cingulate) cortex, caudate, putamen
OCD has hypermetbolism in what areas
orbitofrontal cortex and anterior cingulum
PTSD brain imaging findings
smaller hippocampal volume, smaller frontal volumes
carbamazepine monitoring
CBC, LFTs, BUN/Cr
Schizophrenia brain imaging findings
ventricular enlargement, enlarged caudate, smaller thalamus, smaller temporal lobes
OCD associated with what structure
orbitofrontal cortex
what condition can have a normal EEG
catatonia
EKG findings of TCAs
prolonged PR, QRS, or QT intervals
Nortriptyline therapeutic window
50 to 150 micrograms/mL
how long for bleeding on CTH to become isodense with brain tissue?
2-6 weeks
Huntington’s disease brain imaging findings
loss of caudate (next to ventricles)
DAI best imaged by what modality
DWI MRI
L’hermitte’s sign
electric shock down neck and to extremities with neck flexion
best dural sinus imaging
MRV
hyperintense T2 finding, round/ovoid mass, heterogenous
oligodendroglioma
young pt, cystic mass
astrocytoma
thick, irregular enhancing, edema
glioblastoma