Anatomical dilatation of the superior vena cava associated with an arrhythmogenic response induced by SVC scan pacing after atrial fibrillation ablation oleh Hiroshi Imada, M.D., Koji Fukuzawa, M.D., Kunihiko Kiuchi, M.D., F.H.R.S., Akinori Matsumoto, M.D., Hiroki Konishi, M.D., Hirotoshi Ichibori, M.D., Kiyohiro Hyogo, M.D., Jun Kurose, M.D., Shumpei Mori, M.D., Tomofumi Takaya, M.D., Tatsuya Nishii, M.D., Kiyosumi Kagawa, R.T., Akihiro Yoshida, MD., Hirata Ken-ichi, M.D.