Relationship of 'P terminal force' in right chest leads to left atrial size.
D000293:Adolescent; D000328:Adult; D006332:Cardiomegaly / Q000175:diagnosis*; D002648:Child; D004562:Electrocardiography; D006325:Heart Atria; D006349:Heart Valve Diseases / Q000175:diagnosis; D006801:Humans; D008875:Middle Aged