Random neuro facts
Most common mass lesion in AIDS
toxoplasmosis
how is conus medullaris different from cauda equina
conus medullaris is above L1 and it is a upper motor neuron lesion
***Babinski will be always positive in an UMN lesion
spinal epidural abscess tx
neurosurg decompression of spine
guillian barre tx
plasmapheresis or IVIG
upper motor neuro symptoms
hyperreflexia, positive Babinksi, increased tone
CN paralysis in myasthinea gravis
CN 3 - ptosis, impaired EOM (ptosis improves with ice pack)
Proximal muscle weakness
lower motor neuron symptoms
wasted muscle, hyporeflexia, fasciculations (spontaneous
muscle contractions)
what is todd's paralysis
neuro findings up to 24hr post seizure
cauda equina location
any lesion into cauda equina below L1
symptoms: back pain, urinary retention with overflow incontinence, fecal incontinence, saddle anesthesia, bilateral weakness/sensory loss (ex. bilateral sciatica)
tx: stat OR neurosurg
what should you do when intubating for myasthenia gravis
use half the dose of rocuronium (0.5mg/kg)
has decreased number of receptors
use non-depolarizing agents (not succ)