Asthma
Available!Chronic inflammatory airway disease characterized by variable airflow obstruction and bronchial hyperresponsiveness.
Typical population
Most often recognized in childhood
Respiratory Anatomy
Lower Airway
Explore diseases affecting the bronchi, bronchioles, alveoli, and lower respiratory tract.
Disease Library
Lower-airway conditions
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Bronchiolitis
Available!Acute viral inflammation of the bronchioles causing edema, mucus production, and small-airway obstruction.
Typical population
Usually younger than 2 years
Foreign Body Aspiration
Available!Acute or occult airway obstruction caused by an inhaled object.
Typical population
Most common in toddlers
Pertussis
Available!Toxin-mediated respiratory infection associated with paroxysmal cough, apnea, and post-tussive emesis.
Typical population
Highest risk in young infants
Pneumonia
Available!Infection of the lung parenchyma caused by viral, bacterial, or atypical pathogens.
Typical population
All pediatric age groups
Pulmonary Aspiration
Available!Entry of feeds, secretions, or gastric contents into the lower respiratory tract, resulting in pneumonitis, pneumonia, or chronic recurrent aspiration.
Typical population
Infants and children with feeding, neurologic, or airway-protection risk factors