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Yang-Ho Kim 2 Articles
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.
Hydrogen Sulfide Poisoning
Young-Hee Choi, Byung-Kuk Nam, Hyo-Kyung Kim, Ji-Kang Park, Eun-Seog Hong, Yang-Ho Kim
J Korean Soc Clin Toxicol. 2004;2(1):31-36.   Published online June 30, 2004
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Three workers, field operators in lubricating oil processing of petroleum refinery industry were found unconscious by other worker. One of them who were exposed to an high concentration of H2S was presented with Glasgow Coma Score of 5, severe hypoxemia on arterial blood gas analysis, normal chest radiography, and normal blood pressure. On hospital day 7, his mental state became clear, and neurologic examination showed quadriparesis, profound spasticity, increased tendon reflexes, abnormal Babinski response, and bradykinesia. He was also found to have decreased memory, attention deficits and blunted affect which suggest general cognitive dysfunction, which improved soon. MRI scan showed abnormal signals in both basal ganglia and motor cortex, compatible with clinical findings of motor dysfunction. Neuropsychologic testing showed deficits of cognitive functions. SPECT showed markedly decreased cortical perfusion in frontotemporoparietal area with deep white matter. Another case was recovered completely, but the other expired the next day.

JKSCT : Journal of The Korean Society of Clinical Toxicology