BPPV Diagnosis | Horizontal Roll Test [Performance, Interpretation]

The video tutorial covers the diagnosis of BPPV using the Dix Hallpike and horizontal roll maneuvers. It explains the procedures, interpretations, and implications of test results, including geotropic and ageotropic nystagmus. The tutorial also provides a test-style question to reinforce understanding and concludes with a discussion on ruling out BPPV.

Explain the significance of latency in nystagmus observation.

How does the patient's report of symptoms help in diagnosing the affected canal?

What is the relationship between the duration of nystagmus and the type of canalithiasis?

What does a negative result in both the Dix Hallpike and horizontal roll maneuvers suggest?