BACKGROUND Print Section Listen Arthritis is inflammation of synovial tissue within a diarthrodial joint*. Infection-related arthritides are discussed in Chapter 152, but idiopathic arthritides constitute another group. Because the pathogenesis…
BACKGROUND Print Section Listen Henoch-Schönlein purpura (HSP) is also known as anaphylactoid purpura or purpura rheumatica. It is a leukocytoclastic vasculitis affecting small blood vessels in virtually any organ system,…
BACKGROUND Print Section Listen Hemophagocytic lymphohistiocytosis (HLH) and macrophage activation syndrome (MAS) are clinically related life-threatening immune dysregulatory processes characterized by fever, systemic inflammation, organomegaly, coagulopathy, and hematologic cytopenias. Both…
BACKGROUND Print Section Listen Kawasaki disease (KD), a vasculitis affecting small- and medium- sized blood vessels, is the second most common childhood vasculitis, and the most common cause of pediatric…
BACKGROUND Print Section Listen Psychosis is a cluster of symptoms used to define specific psychiatric disorders. Psychotic symptoms include hallucinations, delusions, or disorganization of thoughts and behavior. Children, adolescents, and…
BACKGROUND Print Section Listen Suicide is the second leading cause of death among all youth in the United States between 10 and 24 years old.1 Suicide rates have increased almost…
BACKGROUND Print Section Listen The assessment and management of children and adolescents who present with medically unexplained symptoms or symptoms in excess of what would be expected for a particular…
BACKGROUND Print Section Listen Children and adolescents hospitalized for the treatment of physical illness often have feelings of sadness, frustration, or irritability that represent a normal response to their experience….
BACKGROUND Print Section Listen The term aspiration encompasses a variety of respiratory syndromes, and many medical conditions can predispose to aspiration. Foreign body inhalation and the aspiration of infectious or…
