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ONE of the medical complications of the intravenous use of narcotics by addicts is the development of pulmonary hypertension due to arteritis and thrombosis of small pulmonary arteries, arterioles, and capillaries. We recently reported such a case in which a 32-year-old Negro woman with cor pulmonale died of severe pulmonary hypertension.1The pulmonary vessels showed thrombosis of varying duration. Many crystalline foreign bodies, identified as talc crystals, were found in the pulmonary vessels. The patient was a narcotic mainliner who had been injecting herself with a mixture known as "blue velvet" consisting of concentrated paregoric to which had been added a crushed tripelennamine (pryribenzamine) hydrochloride tablet. The offending agent was identified as talc in the tripelennamine tablet. We have recently observed "red devil" addiction in the Detroit area. This type of addiction consists of injecting the contents of secobarbital (Seconal) capsules intravenously. In this form of addiction starch from
Henry E. Puro (Mon,) studied this question.