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Causes could include:
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Bronchoconstriction
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Asthma is caused by inflammation in the airways. When an asthma attack occurs, the muscles surrounding the airways become tight and the lining of the air passages swell. This reduces the amount of air that can pass by, and can lead to wheezing sou...
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Apart from listening to the patient's chest, the examiner should look for maximum chest expansion while taking in air. Hunched shoulders and contracting neck muscles are other signs of narrowed airways. Nasal polyps or increased amounts of nasal s...
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Current medical research continues to refine our understanding of how genes influence the development and severity of asthma symptoms in individual patients. It has been clearly established that asthma tends to run in families. Recent research, in...
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Asthma is a complex heritable disease in which a number of different genes contribute to asthmatic predisposition. While genes may cause a predisposition to asthma, actual asthma attacks are triggered by stimulating environmental factors. It has b...
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About 80 percent of childhood asthma cases are caused by allergies. In most cases, inhaling an allergen sets off the chain of biochemical and tissue changes leading to airway inflammation, bronchoconstriction, and wheezing characteristic of asthma...
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Apart from listening to the patient's chest, the examiner should look for maximum chest expansion while taking in air. Hunched shoulders and contracting neck muscles are other signs of narrowed airways. Nasal polyps or increased amounts of nasal s...
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In most cases, asthma is caused by inhaling an allergen that sets off the biochemical chain reaction, causing the tissue changes that lead to airway inflammation, bronchoconstriction, and wheezing. Since avoiding, or at least minimizing, exposure ...
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