Day 11 Flashcards
Botox Mech
Blocks presynaptic ACh release at NMJ
Tension HAs Description
Bilateral, band-like squeezing/pressure/burning
Scintillating Scotoma
Most common visual manifestation of aura. Shimmering/zig-zag light in periphery that grows
Paroxysmal hemicrania (what it is, accompanied by, treatment)
Unilateral brief HA, associated w/ ipsilateral autonomic features, responds to indomethacin
Associated Psychiatric Comorbidity w/ PCOS
Depression
Carbidopa Mech
Inhibits DOPA Decarboxylase, preventing change of L-Dopa to DA, so that L-Dopa can cross the BBB
COMT Inhibitors (mech and 2)
Tolcapone and entacapone
Prevent peripheral degradation of L-Dopa and peripheral+central degradation of L-Dopa+DA, so increase levels all around. Often taken w/ levo-carbi
Mad Hatter Syndrome
Manic sx from chronic mercury intoxication
Paranoid PD Defense Mech
Projection
Sturge-Weber Inheritance
Sporadic, not genetically inherited
Hallmark(s) of Sturge-Weber
Facial cutaneous angioma (port-wine nevus), usually w/ ipsilateral brain angioma
5 Other Sturge-Weber Sx
Contralateral hemiparesis ID Homonymous hemianopsia Glaucoma -> blindness Seizures
Von-Hippel Lindau Inheritance/Chromosome
AD mutation in tumor suppressor gene on Ch 3
Von-Hippel Lindau Predominant Presentation
Retinal and CNS hemangioblastomas + visceral cysts/tumors
VHL 3 Tumor/Cyst Types
Most common CNS: cerebellar hemangioblastomas, 50%
Renal cysts: 50%
Pheochromocytoma: 10-20%