title: Symptoms and tests of ventricular performance in the evaluation of chronic heart failure.
mesh_terms: D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006321:Heart / Q000503:physiopathology; D006331:Heart Diseases / Q000145:classification / Q000175:diagnosis* / Q000503:physiopathology; D006333:Heart Failure / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology; D006334:Heart Function Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis