[Early diagnosis of cor pulmonale].
D000293:Adolescent; D000328:Adult; D000368:Aged; D006332:Cardiomegaly / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011660:Pulmonary Heart Disease / Q000175:diagnosis* / Q000401:mortality; D014672:Vectorcardiography