Pediatric Infectious Disease Glossary

Bacterial or viral infection of the middle ear space, common cause of fever and irritability in young children.

Meningeal inflammation with negative bacterial culture, most commonly caused by viral pathogens in children.

Presence of bacteria in the bloodstream, distinguished from sepsis by absence of systemic inflammatory response syndrome...

A rare but potentially life-threatening bacterial infection of the trachea, often presenting as croup that fails to impr...

Inflammation of the small airways in infants and young children, most commonly caused by respiratory syncytial virus (RS...

Inflammatory marker commonly elevated in bacterial infections and used to guide antibiotic therapy.

Bacterial infection of the deep dermis and subcutaneous tissue causing spreading erythema.

Abnormal increase in white blood cells within cerebrospinal fluid, indicating central nervous system inflammation or inf...

Inflammation and enlargement of cervical lymph nodes, commonly caused by bacterial or viral infections in children.

Primary immunodeficiency characterized by defective neutrophil function leading to recurrent severe infections.

Intrauterine CMV infection causing sensorineural hearing loss, microcephaly, and developmental delays in newborns.

Group of infections that can be transmitted from mother to fetus causing congenital disease patterns.

Radiographic finding showing dense opacity in lung tissue, typically indicating pneumonia or other pulmonary pathology.

Acute viral laryngotracheobronchitis causing characteristic barking cough and inspiratory stridor in young children.

Collection of infected fluid (pus) in the pleural space, a serious complication of pneumonia requiring drainage procedur...

A rash or eruption occurring on mucous membranes, particularly inside the mouth, often accompanying viral infections in...

Acute inflammation of the epiglottis potentially causing rapid airway obstruction, now rare due to Hib vaccination.

Viral exanthem caused by parvovirus B19, characterized by 'slapped cheek' appearance and lacy rash.

Characteristic expanding red rash of early Lyme disease, typically appearing 3-30 days after tick bite.

Benign newborn rash characterized by erythematous macules with central pustules, requiring no treatment.

Medical emergency in immunocompromised children presenting with fever and low neutrophil count.

Convulsion in children aged 6 months to 5 years triggered by fever, typically benign but requiring documentation of feve...

Urinary tract infection accompanied by fever, suggesting upper tract involvement or systemic infection.

Inflammation of the stomach and intestines, commonly viral in children, causing diarrhea and vomiting.