Funny turn - dizziness Flashcards
Differentials
BPPV
Stroke/TIA
Meniere’s disease
Vestibular neuritis
Labrynthitis
Vestibular migraine
Causes of vertigo
Central:
- Stroke/TIA
- Migraine
- Acoustic neuroma
Peripheral:
- BPPV
- Vestibular neuritis
- Meniere’s disease
- Ototoxicity e.g. gentamicin
- Infections e.g. viral labyrinthitis
Symptoms to ask in HPC
Explore the vertigo, when, how often, how quickly did it come on? etc…
Any weakness of the limbs or face or difficulty speaking?
Any hearing loss?
Any tinnitus? (Ringing in ears?)
Any headache?
Otherwise well? Any recent illnesses? (Vestibular neuritis and labyrinthitis - Usually follows a viral URTI.)
Examinations
Cranial nerve examination
Hearing assessment (Rinne’s and Weber’s)
Otoscopy
Investigations for BPPV
Dix-Hallpike manoeuvre for BPPV
Positive if see nystagmus (within 20-30s usually)
Explain it is important to keep eyes open
Do twice with head to both sides
Treatment for BPPV
Epley manoeuvre
Rotate the head 90 degrees and hold head while patient sits up and then they keep chin to chest for a bit