title: Unusual electrocardiographic changes in chronic constrictive pericarditis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001282:Atrial Flutter / Q000175:diagnosis; D006328:Cardiac Catheterization; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D010494:Pericarditis, Constrictive / Q000503:physiopathology*