BPPV is characterized by - a sensation of spinning, whirling, or tilting with movement or position change
BPPV is the most common disorder among which population of patients? - Older adults
Otoconia refers to - debris in the inner ear made up of small crystals of calcium carbonate. With certain
position changes, these crystals shift and disperse within the semicircular canal, sending false signals to
the brain.
Symptoms of BPPV are precipitated by - a change in head position
What is The most characteristic description of BPPV - vertigo, which may be a sensation of spinning or
whirling of oneself or the environment
The nystagmus associated with BPPV is characteristic, and any deviation from the typical profiles should
suggest a central lesion
Common movements that precipitate BPPV - this vertigo are rolling over in bed, arising or turning
abruptly, or first lying back on the bed.
How do you observe nystagmus? - Hallpike-Dix maneuver
if it is vertical or torsional in nature and lasts less than 30 seconds, it is consistent with a posterior
semicircular canal variant.
If the nystagmus is direction changing and horizontal (beating toward the ground) and lasts about 1
minute, it is consistent with a horizontal canal varian
Physical examination of one with BPPV - history and physical examination
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