来复汤４×１０２ｇ／ｍｌ能明显增加大鼠离体右心房肌和左室乳头肌的收缩性，能显著降低和延长心房肌和乳头肌的自律性及不应期，这些作用可能是来复汤抗心律失常的重要药理机制之一。 Resuscitation Decoction 4 × 10 2g / ml can significantly increase the isolated rat right atrium and left ventricular papillary muscle contraction, can significantly reduce and prolong the atrial and papillary muscle self-regulation and refractory period, these effects may It is one of the important pharmacological mechanisms for the resumption of anti-arrhythmia.