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Pneumothorax apparatus, London, England, 1901-1930

A pneumothorax is where the lung collapses due to a change in pressure in the chest cavity. This condition occurs when the chest and lungs are penetrated in an accident or injury. Before the discovery of effective antibiotics in the early 1940s, a pneumothorax might be triggered deliberately as a treatment for tuberculosis. Gases such as nitrogen and oxygen would be injected into the chest cavity,…