title: Letter: Intraventricular reentry.
mesh_terms: D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D013610:Tachycardia / Q000503:physiopathology*; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology