CRACKCast E207 – Dizziness and Vertigo

Core Questions:

1. What is dizziness and what pathologies can cause it?
2. Define vertigo and acute vestibular syndrome
3. What three systems are involved in the maintenance of equilibrium and how many of these systems must be affected to cause vertigo?
4. Trace the neuronal impulse from the vestibular apparatus to the muscle endplate
5. Define nystagmus
6. List five peripheral causes of vertigo (see Table 16.2)
7. List five central causes of vertigo (see Table 16.2)
8. Differentiate between central and peripheral vertigo based on history and clinical exam findings
9. Describe the Dix Hallpike Test
10. Outline your approach to the HINTS exam
11. What is the Epley maneuver and what pathology does it treat?
12. Describe the Barbecue Roll Test and what pathology does it treat?
13. Outline your approach to managing the vertiginous patient

Wisecracks:

1. What diagnoses cause both vertigo and hearing loss?
2. What features of nystagmus suggest a central pathology?
3. What is truncal ataxia and what typically causes it?