title: 4:2 atrioventricular block: what is the mechanism?
authors.affiliation: Division of Cardiology, Papardo Hospital, Via Lepanto 7, 98122 Messina, Italy. gsatullo@tiscalinet.it
authors.forename: Gaetano
authors.initials: G
authors.lastname: Satullo
authors.forename: Antonino
authors.initials: A
authors.lastname: Donato
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Busà
authors.forename: Rosario
authors.initials: R
authors.lastname: Grassi
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans; D033162:Incidental Findings; D008297:Male