Where Are Canaliths Located?

BPPV occurs as a result of displaced otoconia

otoconia
An otolith (Greek: ὠτο-, ōto- ear + λῐ́θος, líthos, a stone), also called statoconium or otoconium or statolith, is a calcium carbonate structure in the saccule or utricle of the inner ear, specifically in the vestibular system of vertebrates. The saccule and utricle, in turn, together make the otolith organs.
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, which are small crystals of calcium carbonate, or “canaliths,” that are normally attached to the otolithic membrane in the utricle of the inner ear. Canaliths can detach from the utricle and collect within the semicircular canals
semicircular canals
The semicircular canals or semicircular ducts are three semicircular, interconnected tubes located in the innermost part of each ear, the inner ear. The three canals are the horizontal, superior and posterior semicircular canals.
› wiki › Semicircular_canals
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How can you tell which ear is causing vertigo?

Steps to determine affected side:
  1. Sit on bed so that if you lie down, your head hangs slightly over the end of the bed.
  2. Turn head to the right and lie back quickly.
  3. Wait 1 minute.
  4. If you feel dizzy, then the right ear is your affected ear.
  5. If no dizziness occurs, sit up.
  6. Wait 1 minute.

Is canalith repositioning same as Epley maneuver?

The Epley maneuver, named after Dr. John Epley, is both intended to move debris or "ear rocks" out of the sensitive part of the ear (posterior canal) to a less sensitive location. It is also sometimes called the "canalith repositioning maneuver" or CRP. The Epley maneuver takes about 15 minutes to complete.

Sophia Al-Mansoor

Sophia Al-Mansoor

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