title: Exercise testing in aortic regurgitation: comparison of radionuclide left ventricular ejection fraction with exercise performance at the anaerobic threshold and peak exercise.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D002302:Cardiac Output; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000502:physiology*; D005082:Physical Exertion; D011659:Pulmonary Gas Exchange; D011877:Radionuclide Imaging; D012119:Respiration; D013318:Stroke Volume
chemical_list: D010100:Oxygen