Asthma causes شرح بالعربي أسباب الربو<br />Link to asthma treatment شرح بالعربى<br />https://www.youtube.com/watch?v=2HMwvgX6_FU&list=UUtC5uHEzvqjN3hhT2XsGr8w<br />Asthma is a chronic inflammatory disorder of the airways.<br />Characteristics of Asthma<br />1-Airflow limitation , which is usually reversible spontaneously or with treatmen<br />2-Airway hyper- responsiveness to a wide range of stimuli .<br />3-Bronchial inflammation with T lymphocytes, mast cells, eosinophils with associated plasma exudation, oedema, smooth muscle hypertrophy, matrix deposition, mucus plugging and epithelial damage.<br />inflammation may be accompanied by irreversible airflow limitation as a result of airway wall remodelling, which may involve large and small airways and mucus impaction. leading to fibrosis of the airway wall, fixed narrowing of the airway and a reduced response to bronchodilator medication
