Vertigo Neurology
SYMPTOM OVERVIEW
• Vertigo: a condition that is usually due to a disturbance or asymmetry in the vestibular system involving the semicircular canals or the central nervous system structures.
• Key anatomical components: semicircular canals (horizontal, posterior; superior); otolithic apparatus (utricle and saccule)
• Types of vertigo: Peripheral (80% of cases) and Central
• Peripheral vertigo: benign paroxysmal positional vertigo; Meniere's disease; Cogan's syndrome (see MMW link); otitis media; vestibular neuritis; acoustic neuroma; semicircular canal dehiscence syndrome; perilymphatic fistula; aminoglycoside toxicity; recurrent vestibulopathy; herpes zoster oticus; and labyrinthine concussion
• Central vertigo: multiple sclerosis; cerebellar infarction and hemorrhage; brainstem ischemia; migrainous vertigo; chiari malformation;
episodic ataxia type 2
Bell's palsy Neurology
Visual field defects Ophthalmology
Medical statistics 1 Prevention
A 72YO male with a history of hypertension and recent GI bleeding, was transferred from the MICU on hospital day (HD) 6 after being treated for delayed transfusion hemolytic reaction. His medication at the time of transfer included prednisone tapering dose. He had no known drug allergy. Shortly after, the patient was found to be febrile (101F). Of note he had a left subclavian central venous line and a left radial arterial line which were placed on the day of admission and removed before the transfer.
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