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24 de jun. de 2023 · Asthma is primarily involved in the bronchial tree, with its primary job to distribute air throughout the lungs until reaching the alveolar sacs. The bronchi stem from the end of the trachea, which divides into left and right bronchi.
This section presents a definition of asthma, a description of the processes on which that definition is based—the pathophysiology and pathogenesis of asthma, and the natural history of asthma. Asthma is a common chronic disorder of the airways that involves a complex interaction of airflow obstruction, bronchial hyperresponsiveness and an ...
6 de may. de 2024 · Asthma is a chronic lung disease caused by inflammation and muscle tightening around the airways, which makes it harder to breathe. Learn about the risk factors, common symptoms, available treatments and WHO's response to improve diagnosis and management of asthma globally.
10 de sept. de 2015 · Asthma involves a history of respiratory symptoms — including wheeze, shortness of breath, chest tightness and cough — that vary over time and in intensity, variable expiratory airflow limitation...
Learn about the epidemiology, etiology, pathophysiology, classification, symptoms, diagnosis, prognosis, and treatment of asthma, a disease of diffuse airway inflammation and bronchoconstriction. Find out the role of genetic and environmental factors, allergens, obesity, and immunologic responses in asthma development and exacerbation.
1 de feb. de 2001 · Asthma is a complex syndrome with many clinical phenotypes in both adults and children. Its major characteristics include a variable degree of airflow obstruction, bronchial hyperresponsiveness,...
