• The Journal of Internal Korean Medicine
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• v.44 no.6
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• pp.1271-1278
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• 2023

Objective: The 19 Mechanisms of Disease were first described in Huangdi Neijing. When examining Yixuexinwu, three descriptions that were different from Huangdi Neijing were found. Methods and Results: After examining the two books, three differences in the description of the 19 Mechanisms of Disease were discovered: 1) The upper and lower locations of dyspnea (喘症) are reversed. 2) The ratio of provisions for "fire (火)" and "cold (寒)" is different. 3) The organ affiliation for pain is different. Conclusion: 1) The upper and lower locations of dyspnea (喘症) are reversed. : Regarding external contraction dyspnea (外感喘), Yixuexinwu used the disease of the upper location (lung 上, 肺) in the same way as in Huangdi Neijing. In terms of internal damage (內傷喘), it was separately classified as a disease of the lower location (kidney 下, 腎). 2) The ratio of provisions for "fire (火)" and "cold (寒)" is different. : Arithmetically, if you round off the number after calculating the fraction, the difference between the two ratios becomes the same. Theoretically, five provisions of "fire" are replaced by four provisions of "heat (熱)", and the difference in ratios is exactly the same. Empirically, it emphasizes that there are more illnesses from fire and heat than from cold. 3) The organ affiliation for pain is different. : Huangdi Neijing described general inflammatory pain, while the Yixuexinwu described only stress-related abdominal pain (肝木乘脾 腹痛).