八纲辨证 bāgāngbiànzhèng eight-principle diagnosis Definitions Defs Origin Strokes Stroke Words Sentences Sents 八纲 八綱 bāgāng eight principal syndromes The eight rubrics in traditional Chinese medicine used to analyze and categorize pathological conditions: 阴 yīn and 阳 yáng, exterior and interior, cold and heat, and deficiency and excess.辨证 辨證 biànzhèng to differentiate syndromes (Chinese medicine) to analyze and differentiate symptoms and signs to determine the nature of an illness