Vertigo Flashcards
characteristics of vertigo
- illusion of movement (usually rotation) of patient or surroundings- worse on movement - being pushed from side to side
symptoms often confused with vertigo
faintness lightheadedness
acronym for causes of vertigo
IMBALANCE Infection Injury Meniere’s Benign Paroxysmal Positional Vertigo Aminoglycosides Lymph, Peri, fistula Arterial Nerve Central lesions Epilepsy
Infective causes of vertigo
labyrinthitis (post viral severe vertigo, n/v) Ramsay Hunt Syndrome T2
Causes of Vertigo: Injury
trauma to petrous temporal bone
Meniere’s
Endolymphatic hydrops- fluctuating levels of endolymph, which fills the vestibular/ cochlear instruments
Causes of Vertigo: Benign Positional Vertigo
sudden vertigo for a few seconds provoked by head rotation-
Pathology of a congenital fistula causing vertigo
Connection between inner and middle ears
Causes of Vertigo: arterial
migraine TIA/Stroke
Nerve related vertigo
acoustic neuroma vestibular schwannoma
What type of seizure causes vertigo
complex partial
What central lesion causes vertigo
lateral medullary syndrome (demylination / tumour infarct)
How does vertigo caused by congenital fistula present
vertigo + SNHL
Tullio’s phenomenon
nystagmus evoked/dizziness by loud sound sign of congenital fistula
Diagnosis of BPPV
nystagmus on performing Hallpike-Dix manoeuvre