title: [Concealed conduction].
authors.affiliation: Department of Cardiology, Cardiovascular Center, Tsuchiura kyodo Hospital.
authors.forename: A
authors.initials: A
authors.lastname: Takahashi
authors.forename: Y
authors.initials: Y
authors.lastname: Iesaka
mesh_terms: D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D004594:Electrophysiology; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans