Objective:The effects of dihydroquinidine (DHQ)and quiniding(Q)on the action potential of the myocardium were studied to provide theDretical basis for clinical therapy.

• 目的：研究二氢奎尼丁（DHQ）与奎尼丁对心肌动作电位作用的区别，为临床用药提供理论依据。