title: Intermittent parasystole with concealed bigeminy.
mesh_terms: D000328:Adult; D001146:Arrhythmia, Sinus / Q000503:physiopathology; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D005117:Cardiac Complexes, Premature / Q000503:physiopathology; D004562:Electrocardiography; D006323:Heart Arrest / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D008297:Male