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KMID : 0369319920120020218
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Allergy
1992 Volume.12 No. 2 p.218 ~ p.221
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A Case of Occupational Asthma in a Metal Arc Welder
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Abstract
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experienced a case of occupational asthmatic patient employed in metal are welding process.
The patient nad been a 35-year-old male electric welder in a ship-repairing factory since 11 years ago, He had begun to feel cough and dyspnea after welding with DIN 8556 (stainless steel) electrode since 2 months ago.
On physical examination, expiratory wheezing on both rung field audible. Chest X-ray showed no specific abnormality. Total IgE level by PRIST was 1203 IU/ml. Methacholine PC20 level was 0.9mg/ml. The bronchoprovocation test of metal arc
(electric)
welding process using DIN 8556 electrode showed a dual asthmatic response. An apprecible amounts of nickel (7~10%) and chromium (17~20%) and chromium (17~20%) were noted within DIN 8556 electrode.
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KEYWORD
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