Vertigo Flashcards
characteristics of vertigo
- illusion of movement (usually rotation) of patient or surroundings
- worse on movement
symptoms often confused with vertigo
faintness
light-headedness
lost awareness
acronym for causes of vertigo
IMBALANCE Infection/Injury Meniere's Benign Positional Vertigo Aminoglycosides Lymph, Peri, fistula Arterial Nerve Central lesions Epilepsy
Causes of Vertigo: Infection
labyrinthitis (post viral severe vertigo, n/v)
Ramsay Hunt
Causes of Vertigo: Injury
trauma to petrous temporal bone
Causes of Vertigo: Meniere’s
- Endolymphatic hydrops
- Recurrent vertigo (~20min) ± n/v
- Fluctuating SNHL
- Tinnitus
- Aural fullness
- an antihistamine may be useful if prolonged
- severe disease may be treated with vestibular organ ablation using gentamicin
Causes of Vertigo: Benign Positional Vertigo
sudden vertigo for a few seconds provoked by head rotation
- canalolithiasis
- nystagmus on performing Hallpike-Dix manoeuvre
- can treat with Epley manoeuvre
Causes of Vertigo: lymph, peri-, fistula
- Path: Connection between inner and middle ears
- Causes: Congenital, trauma
- PC: vertigo, SNHL
- o/e: Tullio’s phen – nystagmus evoked by loud sound
Causes of Vertigo: arterial
migraine
TIA/Stroke
Causes of Vertigo: Nerve
acoustic neuroma/vestibular schwannoma
Causes of Vertigo: central lesions
demyelination
tumour
infarct (e.g. lateral medullary syndrome)
Causes of Vertigo: epilepsy
complex partial