title: Analysis of the P wave in congenital cardiac malformations associated with splenic anomalies.
mesh_terms: D000015:Abnormalities, Multiple; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006330:Heart Defects, Congenital / Q000150:complications* / Q000473:pathology; D006801:Humans; D013154:Spleen / Q000002:abnormalities* / Q000473:pathology