bronchiolitis
Small airway infection
Bronchiolitis is inflammation of the bronchioles—the smallest airways in the lungs.
It typically affects infants and young children, usually caused by respiratory syncytial virus (RSV).
Symptoms include wheezing, coughing, and difficulty breathing.
Most cases resolve on their own, though severe cases may require hospitalization: The baby was admitted with bronchiolitis.
Protective tissue response
- infectionPathogen invasion causing illness
- RSVLung virus in infants
- viralSpreading quickly online
- wheezingHarsh, whistling respiration
obstruction · mucus · edema · necrosis · epithelial · airways · cilia · secretions
inflammation
Protective tissue response
wheezing · obstruction · mucus · edema · necrosis · epithelial · airways · cilia · secretions · infiltration
wheezing
Harsh, whistling respiration
- coughingForceful air expulsion reflex
- tachypneaAbnormally quick breathing rate
- retractionsFormal statement withdrawals
crackles · cyanosis · fever · dyspnea · hypoxemia · apnea · grunting · irritability · lethargy · oxygen saturation
infants
Very young children
pediatric · daycare · winter · seasonal · epidemic · contagious · transmission · siblings · elderly · immunocompromised
- childhood ailmentschickenpox, measles, mumps, croup, ear infection
- childhood illnesseschickenpox, measles, mumps, rubella, whooping cough
- Respiratory Problemsasthma, pneumonia, COPD, emphysema, tuberculosis
- lung diseasespneumonia, pneumoconiosis, silicosis, emphysema, black lung
- Respiratory Infectionspneumonia, influenza, flu, tuberculosis, TB
- Bronchial Disordersbronchospasm
bronchiolitisrhinitis
Inflamed nasal membrane
sinusitis · nasopharyngitis · upper respiratory infection · laryngitis · tracheitis
bronchitis, bronchial, bronchus, bronchi, bronchiole, bronchoscopy, bronchioles, bronchitic