Respiratory System
Pulmonary channels, upper/lower respiratory tracks, airway obstructions, and restrictive pulmonary dysfunctions.
2 subcategories • 9 reference files
Upper Respiratory Track & Airway Dynamic Inflammations (5)
Severe Acute Laryngotracheobronchitis (Croup)
Upper Airway Viral Subglottic Stenosis
6 Months to 3 Years (Peak occurrence)
Emergency Acute Epiglottitis
Life-Threatening Upper Airway Supraglottic Cellulitis
2 to 6 Years (Peak occurrence, though rare now due to immunizations)
Moderate Laryngomalacia
Congenital Supraglottic Airway Collapse
Newborns to 18 Months (Typically presents in first few weeks of life)
Mild Common Cold (Viral Nasopharyngitis)
Self-limiting viral upper respiratory tract infection.
All ages; infants and preschoolers average 6–10 colds per year.
Moderate Pediatric Influenza (Flu)
Acute systemic viral respiratory infection caused by influenza viruses.
All children; highest complication risk under 5 years, especially under 2 years.
Lower Pulmonary Parenchymal & Obstructive Infections (4)
Severe Acute Viral Bronchiolitis
Lower Respiratory Small Airway Inflammatory Disease
Infants under 2 years (Peak window: 2 to 6 months)
Severe Pediatric Asthma
Chronic Reversible Inflammatory Airway Hyperreactivity
Toddlerhood through Adolescence (Onset typically before 5 years)
Mild Acute Bronchitis
Acute Inflammatory Bronchial Airway Disease
Preschool and School-age Children
Severe Pediatric Pneumonia
Infection and inflammation of the lung tissue (alveoli).
All ages; a leading cause of serious illness in children under 5 worldwide.