This paper gives an account of two patients who died of emphysema after working for a few years in a small foundry making various copper alloys, including one of copper cadmium.Acute cadmium poisoning has been recognized for many years, and the injurious effects of the metal fume upon the respiratory tract after single sharp exposures have been reported on several occasions.The earlier literature was well summarized by Prodan (1932).A report of 15 cases including two deaths was made by Bulmer and his fellow workers in 1938.*The clinical picture was one of intense respiratory irritation, causing praecordial pain and severe dyspnoea.This came on a few hours after exposure which at the time did not cause sufficient discomfort to make the men leave their work.In the fatal cases death occurred in five to
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Lane et al. (1954) studied this question.