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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 ...
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, obesity, and allergens in asthma development and exacerbation.
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...
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,...
6 de may. de 2024 · Asthma is a chronic lung disease affecting people of all ages, caused by inflammation and muscle tightening around the airways. Symptoms can include cough, wheeze, shortness of breath and chest tightness. WHO provides key facts, impact, causes, treatment and self-care for asthma.
