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Dizziness is a sensation of lightheadedness, faintness, or unsteadiness. Unlike dizziness, vertigo has a rotational, spinning component, and is the perception of movement, either of the self or surrounding objects. Disequilibrium simply means unsteadiness, imbalance, or loss of equilibrium that is often accompanied by spatial disorientation.
BENIGN PAROXYSMAL POSITIONAL VERTIGO. In Benign Paroxysmal Positional Vertigo (BPPV) dizziness is generally thought to be due to debris which has collected within a part of the inner ear. This debris can be thought of as ear rocks, although the formal name is otoconia.