title: Hematoma of the interatrial septum with heart block secondary to dissecting aneurysm of the aorta. A clinicopathologic entity.
mesh_terms: D000368:Aged; D001014:Aortic Aneurysm / Q000150:complications*; D001344:Autopsy; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria; D006327:Heart Block / Q000209:etiology*; D006329:Heart Conduction System / Q000473:pathology; D006346:Heart Septum / Q000473:pathology; D006406:Hematoma / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010490:Pericardial Effusion; D012849:Sinoatrial Node / Q000473:pathology