title: Serial P wave changes in the electrocardiogram of the acute myocardial infarction.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000150:complications; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology; D006333:Heart Failure; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications / Q000503:physiopathology*