D-sotalol increased TDR prominently, and the incidence of EAD,R-on-T premature beats and automatic Tdp were 7/7,7/7 and 3/7 respectively.

• d-sotalol显著增加TDR,诱发EAD、R-on-T早搏和自发性Tdp的发生率分别为7/7,7/7和3/7;