title: 'Multiblock': what is the mechanism?
authors.affiliation: Thomas Jefferson University, Jefferson Heart Institute, 925 Chestnut Street, Mezzanine Level, Philadelphia, Pennsylvania 19107, USA. daniel.frisch@jefferson.edu
authors.forename: Daniel R
authors.initials: DR
authors.lastname: Frisch
authors.forename: Moti
authors.initials: M
authors.lastname: Haim
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Zimetbaum
authors.forename: Mark E
authors.initials: ME
authors.lastname: Josephson
mesh_terms: D000368:Aged; D004562:Electrocardiography; D022062:Electrophysiologic Techniques, Cardiac; D005260:Female; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans