[Exogenous allergic alveolitis in workers engaged in the manufacture of pepsin].

A case is reported of an affliction in a worker engaged in the production of enzyme powder-like drugs who in the course of his work over 30 years had been exposed to aerosols containing pepsin and hydrochloric acid. The lung X-ray disclosed pneumothorax, with the cardiovascular shadow and trachea displaced to the right. There were signs of myocardial hypoxia and pulmonary hypertension on the electrocardiogram.