1. Volume 12, Issue 9, Pages 1918-1924 (September 2015)
Importance of nonpulmonary vein foci in catheter ablation for paroxysmal atrial fibrillation 
Kentaro Hayashi, MD, Yoshimori An, MD, Michio Nagashima, MD, Kenichi Hiroshima, MD, Masatsugu Ohe, MD, PhD, Yu Makihara, MD, Kennosuke Yamashita, MD, Schoichiro Yamazato, MD, Masato Fukunaga, MD, Koichiro Sonoda, MD, PhD, Kenji Ando, MD, PhD, Masahiko Goya, MD, PhD 
Heart Rhythm 
Volume 12, Issue 9, Pages (September 2015)
DOI: /j.hrthm
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2. Figure 1
Positions of catheters for induction of nonpulmonary vein foci. CS = coronary sinus; CT = crista terminalis; LAPW = left atrial posterior wall; LSPV = left superior pulmonary vein; RSPV = right superior pulmonary vein; SVC = superior vena cava.
Heart Rhythm  , DOI: ( /j.hrthm )
Copyright © 2015 Heart Rhythm Society Terms and Conditions

3. Figure 2
Study design and patient flow. CA = catheter ablation; PAF = paroxysmal atrial fibrillation; PV = pulmonary vein.
Heart Rhythm  , DOI: ( /j.hrthm )
Copyright © 2015 Heart Rhythm Society Terms and Conditions

4. Figure 3
Kaplan–Meier survival curves showing the significant differences in rates of freedom from atrial fibrillation between groups 1 and 3 and between groups 2 and 3. P = for groups 1 and 2; P < for group 1 and 3; P < for groups 2 and 3 (log-rank).
Heart Rhythm  , DOI: ( /j.hrthm )
Copyright © 2015 Heart Rhythm Society Terms and Conditions

5. Figure 4
Kaplan–Meier survival curves showing no significant differences in rates of freedom from atrial fibrillation between group 2 and patients with pulmonary vein (PV) foci in group 1. P = (log-rank).
Heart Rhythm  , DOI: ( /j.hrthm )
Copyright © 2015 Heart Rhythm Society Terms and Conditions