title: [Familial interatrial communication and long PR].
mesh_terms: D000293:Adolescent; D001145:Arrhythmias, Cardiac / Q000150:complications*; D001283:Atrioventricular Node / Q000503:physiopathology; D004562:Electrocardiography; D006344:Heart Septal Defects, Atrial / Q000150:complications*; D006801:Humans; D008297:Male
vernacular_title: Comunicación interauricular familiar y PR largo.