Both increased TDR and steepness of APDR in female rabbits are possibly the major factors which prompt the TdP generation in female LQT2 rabbits more easily than in male rabbits.

• 在LQT2模型中，TDR以及 APD恢复曲线斜率的增大可能是雌性动物较雄性更易发生尖端扭转性心律失常的原因。