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目的：研究水杉总黄酮对心律失常的作用。方法：采用多种实验性心律失常模型。结果：水杉总黄酮１０ｍｇ／ｋｇｉｐ可推迟乌头碱诱发的大鼠心律失常的出现时间，缩短持续时间；提高氯化钙诱发大鼠心律失常的阈剂量；增加哇巴因诱发豚鼠心律失常的用量；还能对抗心肌缺血复灌所致的大鼠心律失常。结论：水杉总黄酮具有广泛的抗心律失常作用。
Objective: To study the effect of total flavones from Metasequoia on arrhythmia. Methods: A variety of experimental arrhythmia models were used. Results: Metasequoia total flavonoids 10mg / kgip can delay emergence of aconitine induced rat arrhythmia, shorten the duration; increase the threshold dose of calcium chloride induced arrhythmia in rats; increase ouabain guinea pig arrhythmia dosage ; But also against myocardial ischemia reperfusion induced arrhythmia in rats. Conclusion: Metasequoia total flavonoids have a wide range of anti-arrhythmic effects.