Myokimic discharges
Wallenberg syndrome results from... and clinical symptoms...
occlusion of PICA
Ipsilateral Horner syndrome, ipsilateral hemiface sensory loss, contralateral sensory loss in the arm/leg, dysarthria and dysphagia, ipsilateral ataxia
During neurulation, failure of fusion of the posterior neuropore may lead to
spina bifida
3 subtypes
Family hx of stroke, migraines, seizures, mood disorders
What is the disease? What is the gene?
CADASIL
NOTCH 3 MUTATION on Cr 19
first line treatment for cervical dystonia
botulinum toxin
X linked, CAG trinucleotide repeat, muscle weakness, atrophy of facial, bulbar, limb muscles, fasciculations
Kennedy's disease
proximal>distal, hyporreflexia, males, gynecomastia, infertility, testicular atrophy.
finger agnosia, acalculia, agraphia, left-right disorientation
Gerstmann syndrome
angular gyrus affected (inferior parietal dominant hemisphere)
Nucleu within the RAS that primarily involves serotoninergic neurotransmission
Raphe nuclei
dopamine--> SN, ventral tegmentun
Ach--> basal nucleus of Meynert
GABA--> nucleus accumbens
norepi--> locus ceruleus
masses with "fried egg appearance" and non enhancing solitary with regions of calcification
oligodendroglioma
GAA expansion in FXN gene on Cr 9
Friedrich ataxia
gait ataxia, cerebellar dysarthria, loss of proprioception and vibration, hypertrophic cardiomyopathy, reduced or absent DTR, DM,.
MRI: atrophy of spinal cord and medulla
Stiffness that improves with activity, CLCN1 mutation
Myotonia congenita
Diffuse, poorly demarcated, large >1-2 cm lesions in cerebral white matter in children after infection or vaccine
ADEM
Name 3 NREM parasomnias
Sleep walking, confusional arousal, sleep terror, sexsomnia, sleep related eating disorder
REM: RBD, nightmares, sleep paralysis
Serotonin 5HT1F receptor agonist for acute migraine
lasmiditan (Reyvow)
useful in patients with cardiac history
Safinamide and selegiline for PD belongs to which medication class
MAOB- inhibitors
adjunctive treatment with levodopa for motor fluctuations and dyskinesia
hyperexcitability+ dysautonomia+encephalopathy+neuropathic pain+ insomnia
Morvan syndrome
also associated with VGKC antibodies (thymoma) and CASPR 2
Issacs syndrome does not have CNS manifestations
Disease characterized by neuropathy, angiokeratoma, cardiorenal disease, stroke, corneal deficits
Fabry disease
X linked, alpha galactosidase A activity deficiency, mutation GLA gene
polymicrogyria results from
cortical organization failure
Nasal GCRP receptor antagonist for acute migraine treatment
zavegepant (Zavzpret)
Treatment for Friedrich ataxia (activates Nrf2 pathway functioning as an antioxidant) and inhibits nuclear factor kappa B
omaveloxolone
symmetric sensory or sensorimotor dysfunction in lower extremities, absent DTRs, more likely to have monoclonal gammopathy, some may have also anti myelin associated glycoprotein
DADS (distal acquired demyelinating symmetric neuropathy)
DADs WITH monoclonal IgM tends to be resistant to standard therapies for CIDP
Prolonged P100 on VEP indicates...
demyelination of optic nerve
A 2-month-old male with a history of irritability, failure to thrive, stiffness with clenched fists, and recurrent fevers without an identified source of infection starts to have seizures and become increasingly stiff with scissoring of the legs and arching of the back.
GALC gene
globoid cell leukodystrophy (Krabbe disease)
walking difficulties as adult, childhood behavioral problems and adrenal insufficiency are clinical phenotypes of..
X linked adrenoleukodystrophy
-childhood cerebral
-adolescent cerebral
-adult cerebral
-adrenomyeloneuropathy
-adrenal insufficiency
EEG findings (high amplitude delta waves that occur bilaterally and synchronously at a fixed interval) in an immigrant patient to US with altered mental status, abnormal jerking movements
Subacute sclerosing panencephalitis: complication of measles virus