Peripheral or Central Vertigo

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Can you name the Peripheral or Central Vertigo ?

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Sign or Symptoms Central (C) or Peripheral (P) Vertigo
Common causes: vascular, demyelinating, neoplasm
Finite symptoms (minutes, days, weeks) but recurrent
Bidirectional or Unidirectional nystagmus
Caused by BPPV, infection (labyrinthitis), Menieres neuronitis, ischemia, trauma, toxin
Mild vertigo
Marked severity of vertigo
Spin toward fast phase
Associated CNS abnormalities - diplopia, hiccups, cranial neuropathies, dysarthria
Tinnitus usually absent
Sign or Symptoms Central (C) or Peripheral (P) Vertigo
Visual fixation inhibits nystagmus and vertigo
Chronic duration of symptoms
No inhibition of visual fixation
Vertical or purely torsional nystagmus may be present
Purely horizontal nystagmus may be present
Unidirectional fast phase nystagmus
Fall toward the slow phase
Tinnitus often present

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