Respiratory Medicine

Respiratory Medicine

What you need to know about asthma and pathogenesis

Asthma is a chronic inflammatory disease of the bronchiolar airways. It is characterized by recurrent reversible obstruction to airflow causing airflow limitation, airway hyperresponsiveness and inflammation of the bronchi. Asthma may be allergic (extrinsic) or nonallergic (intrinsic).┬áIn asthma, smooth muscle that surrounds the bronchi is hyperresponsive to stimuli, and underlying inflammatory changes are present in […]

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