bronchospasm /bron·cho·spasm/ (brong´ko-spazm) bronchial spasm; spasmodic contraction of the smooth muscle of the bronchi, as in asthma.
bronchospasm
bronchospasm (brong´kōspaz´
m),
bronchospasm
bron·cho·spasm (br ng k -sp z m)n. A contraction of smooth muscle in the walls of the bronchi and bronchioles, causing narrowing of the lumen. |
bronchospasm
[-spaz′əm]
an excessive and prolonged contraction of the smooth muscle of the bronchi and bronchioles, resulting in an acute narrowing and obstruction of the respiratory airway. The contractions may be localized or general and may be caused by irritation or injury to the respiratory mucosa, infections, or allergies. A cough with generalized wheezing usually indicates the condition. Bronchospasm is a chief characteristic of asthma. Treatment includes the use of active bronchodilators, catecholamines, corticosteroids, or methylxanthines and preventive drugs such as cromolyn sodium. Also called bronchial spasm, bronchiospasm. See also asthma, bronchitis.
bronchospasm (brong´kōspaz´
m),n a spasmodic contraction of the muscular coat of the bronchial tubes such as occurs in asthma.
bronchospasm
bronchial spasm; spasmodic contraction of the muscular coat of the smaller divisions of the bronchi, such as occurs in asthma.
bronchospasm
Chest medicine Spasmodic contraction of bronchial smooth muscle, as in asthma. See Asthma, Exercise-induced bronchospasm.
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