Vertigo implies that there is a sensation of motion either of the person or the environment. This should not be confused with symptoms of lightheadedness or fainting.
* If true vertigo exists, there is a sensation of disorientation or motion. In addition, the patient may also have any or all of these symptoms:
o Nausea or vomiting
o Sweating
o Abnormal eye movements
* The duration of symptoms can be from minutes to hours, and symptoms can be constant or episodic. The onset may be due to a movement or change in position. It is important to tell the doctor about any recent head trauma or whiplash injury as well as any new medications the patient is taking.
* The patient may have hearing loss and a ringing sensation in the ears.
* The patient might have visual disturbances, weakness, difficulty speaking, decreased level of consciousness, and difficulty walking.
http://www.emedicinehealth.com/vertigo/page3_em.htm#Vertigo%20Symptoms
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