Severe combined immunodeficiency disease Life-threatening disorder Description Involves deficient or absent cell-mediated (T cell) and humoral (B cell) immunity Predisposes patient to infection from all classes of microorganisms during infancy…
Seizure disorder Description Neurologic condition characterized by recurrent seizures No effect on intelligence Usually occurs in patients of both sexes younger than age 20 First seizure usually experienced during childhood…
Roseola infantum Description Commonly acute, benign, viral illness characterized by fever with subsequent rash (see Incubation and duration of common rash-producing infections) Affects infants and young children (typically from age…
Rheumatic fever Description Systemic inflammatory disease of childhood that occurs 2 to 6 weeks after an inadequately treated upper respiratory infection with group A beta-hemolytic streptococci Principally involves the heart,…
Respiratory syncytial virus infection Description Leading cause of lower respiratory tract infection in infants and young children Suspected cause of fatal respiratory diseases in infants Almost exclusively affects infants (ages…
Respiratory distress syndrome Life-threatening disorder Description Respiratory disorder related to a developmental delay in lung maturity, involving widespread alveolar collapse Most common cause of neonatal death Affects approximately 10% of…
Pyloric stenosis Description Hyperplasia (increased mass) and hypertrophy (increased size) of the circular and longitudinal muscle layers at the pylorus, which narrows the pyloric canal (see Understanding pyloric stenosis, page…
