1·Aim To investigate the effects of propafenone on myocardium inotropism and explore it's possible mechanism in isolated papillary muscle of guinea pig.
目的研究普罗帕酮心肌变力性作用并从组织水平探讨其作用机制。
2·Electropharmacological effects of resibufogenin(RBG)on guinea pig papillary muscle were studied by means of conventional glass microelectrode technique.
应用玻璃微电极记录心肌细胞的跨膜动作电位．研究脂布福吉宁（RBG）对豚鼠心室肌的电药理学作用。