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A 13-year-old boy was admitted via emergency room with dyspnea after vigorous coughing. Subcutaneous emphysema was palpated on both eyelids and around the neck. Breathing sound was slightly wheezy. On initial chest roentgenogram no parenchymal lesion or pneumothorax except subcutaneous emphysema on the thoracic wall was found. On the second day of hospitalization he showed agitation much more severe than... |
