Synonyms And Alternative Names: A Bronchial Asthma; An

Synonyms and alternative names: a bronchial asthma; an asthma of physical activity, etc. The reasons, the general schemes of action and risk factors: The reasons of a bronchial asthma Almost always various types of an inflammation are mucous bronchial tubes. When there is an asthma attack, smooth muscles of bronchial tubes, especially small, Not containing cartilages, become strained and sharply reduce Apertures for air streams in lungs. It reduces quantity Air which can pass in alveoluses and, especially from alveoluses, Leads to occurrence of rattles and appreciable an exhalation. The majority of patients with Asthma have during an asthma attack rattles, and during the periods out of Attacks these rattles come to light not always. Some patients have Long episodes of a short wind with the periods of its sharp strengthening. However, more often Others in a clinical picture of disease by an asthma prevails cough. It often happens also the main sign of an asthma. Asthma attacks can last from minutes about several days and can To differ on gravity degree - from dangerous, if air stream Becomes strongly limited, to the lungs, allowing to carry out The minimum physical activity.