By: Charles Chace
The first systematic discussion of the extraordinary vessels in Chinese herbal medicine appears in Li Shizhen’s 李時珍Exposition on the Eight Extraordinary Vessels (Qijing bamai Kao 奇經八脈考, circa, 1576).In our forthcoming translation and commentary on this text, Exposition on the Extraordinary Vessels, Acupuncture, Alchemy and Herbal Medicine, Eastland Press, 2009, my co-author Miki Shima and I describe Li’s approach to herbal prescribing as an overarching “meta-diagnosis” encompassing a wide range of possible zangfu presentations. For instance, Li Shizhen considers any disease characterized by masses or accumulations in the lower burner that presents in conjunction with an ascending counterflow to the upper burner to be a disorder of the chong vessel. This might present in the context of number of possible disease or zangfu patterns, but for Li the simultaneous presence of stagnation in the lower burner and counterflow extending to the upper burner define it as chong vessel problem. This is, I believe, the most pragmatic way to make use of the extraordinary vessels in herbal medicine
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