title: Erratic prolongation of the pacing spike interval with presyncope as the only manifestation of minute bipolar lead insulation failure.
authors.affiliation: Second Department of Cardiology, Evangelismos Hospital, Athens, Greece.
authors.forename: I P
authors.initials: IP
authors.lastname: Gavaliatsis
authors.forename: L P
authors.initials: LP
authors.lastname: Flessas
authors.forename: A S
authors.initials: AS
authors.lastname: Dimitriou
mesh_terms: D000368:Aged; D004562:Electrocardiography; D004868:Equipment Failure; D005260:Female; D006801:Humans; D010138:Pacemaker, Artificial; D012804:Sick Sinus Syndrome / Q000503:physiopathology / Q000628:therapy*