title: Multiple episodes of presyncope in a pacemaker dependent patient: what is the diagnosis?
authors.affiliation: Cardiovascular Diseases, Beth Israel Medical Center and Long Island College Hospital, Brooklyn, NY, USA. osmecan2000@yahoo.com
authors.forename: Siva K
authors.initials: SK
authors.lastname: Mulpuru
authors.forename: Cesare
authors.initials: C
authors.lastname: Saponieri