Definition of "bronchospasm" [bronchospasm]

• Difficulty in breathing due to a contraction of smooth muscle in the walls of the bronchi and bronchioles (noun)

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• "Bronchodilators relax airway smooth muscle and relieve bronchospasm, which is the main cause of airway obstruction in heaves."
• "A beta-2 selective agonist can be given for bronchospasm, while epinephrine should be avoided as it may precipitate dysrhythmias."
• "Traditional, inhaled corticosteriods like Flovent, Pulmicort, Asmanex and Qvar treat asthma's inflammation, while LABAs, prescribed as maintenance or "control" drugs, expand constricted airways and protect against bronchospasm."