In CCW-AFL,the negative component of the FL wave in the inferior leads co- incided with activity recorded in CS electrograms and the upstroke deflections and the positive notch coincided with the activation of the lateral wall of RA in 13 of 16 patients.

• 13例CCW-AFL患者CS激动时间对应体表心电图下壁导联FL波降支,冲动自右心房前侧壁向CSO传导时间对应下壁导联FL波升支和正相切迹。