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Asthma 2
Beginning of essay
Asthma {az'-muh} Asthma is a respiratory disorder marked by breathing difficulty caused by temporary narrowing of the bronchi, the airways branching from the trachea to the lungs. Attacks usually are brought on by allergic reaction to ANTIGENS such as grass and tree pollens, mold spores, fungi, ani ....
Middle of essay
....usually find it more difficult to exhale then inhale, which causes overinflation of the chest and impaired lung functions. The breathing difficulty is alleviated somewhat by leaning forward and supporting the trunk with the arms on some object. Attacks that last several hours or more, even several days, despite treatment are called status asthmaticus. Patients with this condition develop a rapid pulse as the heart attempts to compensate for the lack of oxygen in the blood by beating faster. They.... |
| Number of words: 447 |
Approximate pages: 2 |
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