title: Electrocardiographic atrial complex and acute atrial myocardial infarction.
mesh_terms: D000208:Acute Disease; D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology; D001344:Autopsy; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications / Q000473:pathology / Q000503:physiopathology*; D009206:Myocardium / Q000473:pathology