Benign positional vertigo

Alternative names:

vertigo - positional

Symptoms:

• dizziness, or a sensation that you or the room is moving (vertigo)
  • occurs with specific head positions or with a change in body position
  • usually lessens quickly (less than one minute)

Signs and tests:

Nystagmus (involuntary eye movements) may be present. Examination is otherwise normal.

Differentiation from other causes of vertigo may include:

• a head CT
• an MRI scan of head
• caloric stimulation (tests eye reflexes)
• electronystagmography
• an EEG, evoked auditory potential studies