Dissection of dizziness: with emphasis on labyrinthine vertigo.

The three most common types of vertiginous episodes area benign positional vertigo, postural vertigo, and endolymphatic hydrops. One of these conditions will be found in more than 90% of patients who present with vertigo as their main complaint. A clear understanding of the differences among these three entities will enable the physician not only to prescribe appropriate effective medical treatment but also to counsel and educate the patient about his or her particular condition.