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

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