Two different tachycardias in one patient. What is the mechanism?. Issue 12 (9th November 2022) - Goto, Kentaro; Miyazaki, Shinsuke; Negishi, Miho; Ikenouchi, Takashi; Yamamoto, Tasuku; Shigeta, Takatoshi; Nishimura, Takuro; Tao, Susumu; Takigawa, Masateru; Goya, Masahiko; Sasano, Tetsuo