title: Electrocardiogram in acute pericarditis. Distributions of morphologic and axial changes by stages.
mesh_terms: D000208:Acute Disease; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D010493:Pericarditis / Q000175:diagnosis* / Q000503:physiopathology; D014672:Vectorcardiography