1. Vertigo is a type of dizziness
2. Other dizziness include presyncopal faintness, disequilibrium and non-specific or ill-defined light headedness.
3. The end organ of vestibular system, the semicircular canals-> angular motion
the otolith organ( saccule, utricle)-> linear motion
4. Spinning sensation-> an abnormality of the semicircular canals or the CNS structures that process signals from the semicircular canals.
Illusory sensation of floating or tilting-> an otolith system disorder
整理節錄自
1. http://www.uptodate.com/contents/pathophysiology-etiology-and-differential-diagnosis-of-vertigo?view=print