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Medical Dictionary

asthma

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noun asth·ma \ˈaz-mə\

Medical Definition of asthma

  1. :  a chronic lung disorder that is marked by recurring episodes of airway obstruction (as from bronchospasm) manifested by labored breathing accompanied especially by wheezing and coughing and by a sense of constriction in the chest, and that is triggered by hyperreactivity to various stimuli (as allergens or rapid change in air temperature)





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