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KMID : 0614720110540060617
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Journal of Korean Medical Association
2011 Volume.54 No. 6 p.617 ~ p.629
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Food poisoning
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Ryu Chang-Beom
Lee Moon-Sung
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Abstract
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This article aims to help physicians to make a differential diagnosis of food poisoning by introducing the incubation period, clinical symptoms of each causative agent according to the mode of manifestation. Etiologic agents for food poisoning are classified as bacterial, viral, natural toxin, and chemical toxin. Bacterial food poisoning is classified as infectious type, toxin type and other type according to the pathogenesis. Natural toxin food poisoning are classified as plant and animal food poisoning according to causative food. Many of the diagnoses are made clinically, without confirmative laboratory tests. However, some of food poisonings require the confirmative etiologic diagnoses, because they have rapid life-threatening courses and need proper speedy therapies. When incubation period is 1-6 hours, natural toxin type food poisoning should be suspected such as Staphylococcus aureus,Bacillus cereus vomiting type. When it is 7 to 12 hours, Clostridium perfringens and Bacillus cereus diarrheal type should be suspected. When it is 12 to 72 hours, Enterotoxigenic Echerichia coli,Salmonella spp., Vibrio parahemolyticus and Norovirus should be suspected. Before the result of confirmative laboratory test, a probable diagnosis for the etiology of food poisoning should be based upon the combination of their clinical manifestations, food histories, and pathogenic mechanisms.
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KEYWORD
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Food poisoning, Differential dignosis, Etiology
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