AF=atrial fibrillation; ΔCTos=change in conduction time to ostium; IAS=interatrial septum; pts=patients; RAA=right atrial appendage; SND=sinus node disease.Reproduced with permission from Lippincott Williams & Wilkins from Verlato R, Botto GL, Massa R, et al. Efficacy of low interatrial septum and right atrial appendage pacing for prevention of permanent atrial fibrillation in patients with sinus node disease: results from the Electrophysiology-Guided Pacing Site Selection (EPASS) study. Circ Arrhythm Electrophysiol 2011;4:844–850.
IASP=interatrial septal pacing; LAO=left anterior oblique.Reproduced with permission from Lippincott Williams & Wilkins from Verlato R, Botto GL, Massa R, et al. Efficacy of low interatrial septum and right atrial appendage pacing for prevention of permanent atrial fibrillation in patients with sinus node disease: results from the Electrophysiology-Guided Pacing Site Selection (EPASS) study. Circ Arrhythm Electrophysiol 2011;4:844–850.