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Bronchiolitis accounts for 3% of emergency department visits for children under 2 years old. [12] Bronchiolitis is the most frequent lower respiratory tract infection and hospitalization in infants worldwide. [15]
Bronchiolitis obliterans (BO), also known as obliterative bronchiolitis, constrictive bronchiolitis and popcorn lung, is a disease that results in obstruction of the smallest airways of the lungs (bronchioles) due to inflammation. [1] [6] Symptoms include a dry cough, shortness of breath, wheezing and feeling tired. [1]
Cryptogenic organizing pneumonia; Other names: Bronchiolitis obliterans with organizing pneumonia, idiopathic interstitial pneumonia [1]: Micrograph showing a Masson body (off center left/bottom of the image – pale circular and paucicellular), as may be seen in cryptogenic organizing pneumonia.
Video: Respiratory Syncytial Virus and Bronchiolitis. Bronchiolitis is a common lower respiratory tract infection characterized by inflammation and obstruction of the small airways in the lungs. [22] While several viruses can cause bronchiolitis, RSV is responsible for about 70% of cases. [4]
DPB and bronchiolitis obliterans are two forms of primary bronchiolitis. [2] Specific overlapping features of both diseases include strong cough with large amounts of often pus-filled sputum; nodules viewable on lung X-rays in the lower bronchi and bronchiolar area; and chronic sinusitis.
Additionally, bronchitis is described as either acute or chronic depending on its presentation and is also further described by the causative agent. Acute bronchitis can be defined as acute bacterial or viral infection of the larger airways in healthy patients with no history of recurrent disease. [ 8 ]
The bronchioles (/ ˈ b r ɑː ŋ k i oʊ l s / BRONG-kee-ohls) are the smaller branches of the bronchial airways in the lower respiratory tract.They include the terminal bronchioles, and finally the respiratory bronchioles that mark the start of the respiratory zone delivering air to the gas exchanging units of the alveoli.
Chronic obstructive pulmonary disease (COPD) is a type of progressive lung disease characterized by chronic respiratory symptoms and airflow limitation. [8] GOLD 2024 defined COPD as a heterogeneous lung condition characterized by chronic respiratory symptoms (dyspnea or shortness of breath, cough, sputum production or exacerbations) due to abnormalities of the airways (bronchitis ...