Otitis Media
Chapter 86 Otitis Media Margaret Thorman Hartig Definition and Epidemiology Otitis media, characterized by fluid in the middle ear, is a group of inflammatory or infective processes that may be…
Movement Disorders and Essential Tremor
Chapter 198 Movement Disorders and Essential Tremor Nancy McQueen Le, Katie McCube Definition and Epidemiology Movement disorders include a variety of neurologic conditions that cause alteration in normal movement or…
Seizure Disorder
Chapter 201 Seizure Disorder Karen L. Secore Definition and Epidemiology Epilepsy, a syndrome of recurrent (unprovoked) seizures, is a common neurologic condition that currently affects nearly 2.2 million people in…
Vasculitis
Chapter 220 Vasculitis Simon M. Helfgott, Derrick J. Todd, Kevin Wei Definition and Epidemiology The vasculitides include a diverse group of uncommon disorders characterized by immune system–mediated inflammation and the…
Dizziness and Vertigo
Chapter 194 Dizziness and Vertigo Nancy McQueen Le, Katie McCabe Dizziness Definition and Epidemiology It is estimated that dizziness affects 20% to 30% of people in the general population.1 Dizziness…
Bartholin Gland Cysts and Abscesses
Chapter 156 Bartholin Gland Cysts and Abscesses Marie Elena Botte Definition and Epidemiology Bartholin glands, also known as the greater vestibular or vulvovaginal glands, were first discovered by the French…
Adrenal Gland Disorders
Chapter 205 Adrenal Gland Disorders Marylou Virginia Robinson Definition and Epidemiology Adrenal gland disorders are conditions marked by inadequate or excessive amounts of glucocorticoid, mineralocorticoid, or androgen hormones as a…
Nausea and Vomiting
Chapter 141 Nausea and Vomiting Brad E. Franklin Definition and Epidemiology Nausea and vomiting significantly affect quality of life and are common presenting complaints in primary care.1 One study of…
Hypercalcemia and Hypocalcemia
Chapter 208 Hypercalcemia and Hypocalcemia Alan Ona Malabanan Definition and Epidemiology A stable extracellular calcium concentration and proper compartmentalization of calcium are vitally important to a number of physiologic and…
