Anxiety Disorders
Chapter 247 Anxiety Disorders Rene Love, Rose Vick Definition and Epidemiology Anxiety disorders are the most commonly occurring class of mental disorders per lifetime prevalence data.1 Within anxiety disorders, specific…
Oncology Pain and Symptom Management in Primary Care
Chapter 245 Oncology Pain and Symptom Management in Primary Care Leslie Lezell Levitan Primary care providers, in collaboration with the entire oncology team, play a key role in managing the…
Lymphadenopathy
Chapter 226 Lymphadenopathy Michelle Freshman Definition and Epidemiology Lymphadenopathy refers to lymph nodes that have enlarged or changed in consistency. Lymph nodes typically vary from 0.5 to 2.5 cm ( to…
Infective Endocarditis
Chapter 123 Infective Endocarditis Jean P. Hartin Del Castillo, Isabella Rosa-Cunha Definition and Epidemiology Infective endocarditis (IE) refers to a microbial infection within the endothelium of the heart. Vegetations form…
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…
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…
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…
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…
