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Jong-Joon Ahn 1 Article
A Case of Non-cardiogenic Pulmonary Edema caused by Nitrogen Dioxide Poisoning after Cutting Copper Pipe with an Oxyethylene Torch
Yang-Jin JeGal, Jong-Joon Ahn, Kwang-Won Seo, Hee-Jeong Cha, Woon-Jung Kwon, Yang-Ho Kim
J Korean Soc Clin Toxicol. 2006;4(2):175-179.   Published online December 31, 2006
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Welders are exposed to a number of hazards including metal fumes, toxic gases, electricity, heat, noise, and radiation such as ultraviolet and infrared light. We encountered a patient who developed non-cardiogenic pulmonary edema within a day after cutting copper pipe with an oxyethylene torch. The patient was a 26-year-old welder. He complained of dyspnea, generalized myalgia, and febrile sensation the following morning. The patient's chest X-ray and chest CT scan showed extensively distributed and ill-defined centrilobular nodules. Both his symptoms and chest X-ray abnormalities improved spontaneously. We attributed the patient's symptoms to non-cardiogenic pulmonary edema due to nitrogen dioxide, reasoning that: 1) the pipe consisted only of copper, according to material safety data sheet (MSDS); 2) a previous report in the literature demonstrated increased nitrogen dioxide levels under similar conditions; 3) the patient's clinical course and radiologic findings were very reminiscent of non-cardiogenic pulmonary edema following accidental exposure to nitrogen dioxide.

JKSCT : Journal of The Korean Society of Clinical Toxicology