� > Now sportsman in power, in addition to that a stylish and trendy line first, the lanky frame figure is the best choice. However, a disease especially love this type of man, attack with chest pain as the precursor, people do not understand that the heart of a problem, but guessing not guess the answer, in fact this particular chest pain from the "spontaneous . " David is a standard office building sportsman, tall and slim, stylish clothes, the planning director of the pressure front of him every day computer work, no time to ease, not to mention the exercise. Last Friday to catch a week's work was finally finished, he loves sports some friends play basketball, did not expect to play a half of David sudden chest pain, rest for a long time have not been alleviated. He thought that the heart of a problem, go to hospital for an examination of the results showed that: a completely normal heart function. but the doctors found that his diminished breath sounds on the left, according to a chest radiograph showed "left pneumothorax and lung tissue compressed by about 50% to 60%, a small left pleural effusion," the real cause is the cause of his chest pain pneumothorax. why pneumothorax looking for him? 1. tall and slim our chest from the parietal and visceral layers, one between the two closed the potential gap. Tall, thin men such as David often congenital dysplasia of lung elastic fibers, leading to diminished alveolar wall elasticity, rupture of small alveoli, and expansion into the bulla, if there are incentives for bulla ruptured, air will enter the pleural cavity This formation is spontaneous pneumothorax, the first symptom is sudden chest pain, shortness of breath. 2. during vigorous exercise, football, basketball, dance aerobics and other strenuous exercise, there will be some integration into a small pulmonary bulla. When a sudden increase in pulmonary pressure, pulmonary bullae rupture easily lead to pneumothorax. David little movement, suddenly there is a vigorous exercise may lead to pneumothorax. 3. cough cold winter temperatures decreased, but also to the common cold "season." After a cold cough repeatedly, you know, thin and intense man every cough, lung would be serious "impact", prone to alveolar wall rupture phenomenon, greatly increased the incidence of spontaneous pneumothorax. 4. bad habits pressure, stay up late, smoking, alcohol, K Song, tantrums and other factors will increase the burden to the lungs, in the absence of other incentives to the case, pleural rupture also occurs, gas influx, resulting in pneumatosis chest, causing spontaneous pneumothorax.