title: [Elongated Q-T, 2:1 A-V conduction and syncope crises. Report of a case, review of the literature and physiopathological considerations].
mesh_terms: D000219:Adams-Stokes Syndrome / Q000503:physiopathology*; D002675:Child, Preschool; D003638:Deafness / Q000151:congenital*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology; D006331:Heart Diseases / Q000503:physiopathology*; D006801:Humans; D013575:Syncope / Q000209:etiology*; D014693:Ventricular Fibrillation / Q000503:physiopathology*
vernacular_title: Q-T alargado, conducciŏn A-V 2:1 y crisis sincopales. Presentaciŏn de un caso, revisiŏn de la literatura y consideracĭones fisiopatológicas.