title: Atrial arrhythmias and lipomatous hypertrophy of the cardiac interatrial septum.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D001344:Autopsy; D006332:Cardiomegaly / Q000150:complications / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000209:etiology; D006338:Heart Neoplasms / Q000150:complications / Q000503:physiopathology*; D006346:Heart Septum / Q000503:physiopathology*; D006801:Humans; D006984:Hypertrophy / Q000503:physiopathology; D008067:Lipoma / Q000150:complications / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000209:etiology