Neuro - MTB And SU2M Flashcards
Presentation of MCA stroke?
C/L weakness/sensory loss
Homonymous hemianopsia —> “eyes look towards lesion”
Aphasia
MC sx of PCA stroke?
I/L sensory loss of face, CN 9 and 10
C/L sensory loss of limbs
Limb ataxia
MC sx of ACA stroke?
Personality/cognitive defect like confusion
Urinary incontinence
Leg weakness
Thrombolytic standard of care for stroke?
Experimental?
Under 3 hours
3-4.5 hours
Best prophylaxis for cluster HA?
Migraine?
Verapamil
Propanolol
Trigeminal neuralgia NOT improved by meds, treat how?
Gamma knife surgery
What is the treatment of status epilepticus in escalating order?
Lorazepam/Diazepam
Fosphenytoin
Phenobarbital
General anesthesia
When do you need to initiate antiepileptic drugs for a SINGLE seizure?
Status epilepticus or w/FND
Abnormal EEG or lesion on CT
FHx of seizures
Most accurate test for SAH?
Shows what.
LP
Xanthochromia - yellow discoloration of CSF from breakdown of rbc’s
Normal ratio of wbc/rbc is 1:500-1000
What presents w/loss of ALL function except for the post column
Flaccid paralysis
Loss of DTRs?
Anterior spinal artery infarct
What is syringomelia?
Fluid-filled lesion inside the center of the cord resulting in a cape like distribution of sensory loss across the neck and UE
What sx does Tuberous Sclerosis have?
Seizure, mental retard
Skin - adenoma sebaceous (red face nodules), Shagreen patches (leathery plaques on trunk), Ash leaf (hypopigmented) patches
Retinal lesions
Cardiac rhabdomyomas
Sturge-Weber presents how?
Port-wine stain of face
Seizure
CNS: homonymous hemianopsia, hemiparesis, mental subnormality
Skull has xray calcifications
Pathophys of Parkinsonism?
Loss of cells in the SN leading to decreased Dopamine
Treatment for PD if it is mild?
If allergy to 1st med?
Benztropine, trihexyphenidyl
Amantidine
What med is associated w/the possibility of slowing the progression of Parkinsonism?
MAO-i’s
What is Shy-Drager syndrome?
Parkinsonism w/mostly orthostasis
What meds are the best 1st choice to prevent relapse of M.S.?
Glatiramer
IFN-Beta
What presents w/distal weakness and sensory loss, wasting in the legs, dec DTRs, tremor and foot deformity as a high arch?
Most accurate test?
Charcot-Marie-Tooth
EMG
How to tell if facial paralysis is from stroke or Bell’s palsy?
Stroke - paralyze ONLY the lower half of face bc upper half gets inner action from BOTH cerebral hemispheres
Pt will be able to wrinkle their forehead
MC complication of Bell’s Palsy?
Best initial tx?
Corneal ulceration
Prednisone
What are some wrong answers for treatment of GBS?
Prednisone
Combining IVIG + Plasmapharesis
What is the most dangerous thing that can happen in GBS?
How to detect?
Dysautonomia of respiratory muscles
Peak inspiratory pressure or a dec in FVC —> get PFTs
What tests do you need to do when evaluating for dementia?
MRI brain
VDRL/RPR to r/o syphilis
B12 and MMA level
TSH
Reversible ischemic neurologic deficit is what?
Same as TIA but lasts LONGER than 24 hours, resolves in less than 2 weeks
TIA etiology is what MC?
What set of circumstances can lead to one?
TIAs carry what 5 year risk of stroke?
Embolic
HoTN w/Severe carotid stenosis (> 75%)
30%
Pt that has stroke and has pure motor hemiparesis, what origin?
Dysarthria w/clumsy hand?
Pure sensory deficit?
All lacunar
Internal capsule
Pons
Thalamus