title: Infra-his block in a normal heart.
authors.affiliation: Department of Pacemaker and Electrophysiology, Rajaie Cardiovascular Medical Center, Vali-asr Avenue, Tehran, Iran. alastip@gmail.com
authors.forename: Mohammad
authors.initials: M
authors.lastname: Alasti
authors.forename: Abolfath
authors.initials: A
authors.lastname: Alizadeh
authors.forename: Amirfarjam
authors.initials: A
authors.lastname: Fazelifar
authors.forename: Abolfath
authors.initials: A
authors.lastname: Mohammad Ali