to compare the symptoms with the objectively-determined exercise capacity , the symptoms as well as the exercise capacity with the exercise hemodynamics and the symptoms , exercise capacity and exercise hemodynamics with the severity of the valvular lesion , in 154 patients with aortic regurgitation , mitral regurgitation , aortic stenosis or mitral stenosis , the symptoms were classified according to the new york heart association and the exercise capacity was determined by means of bicycle ergometry with simultaneous measurement of heart rate , blood pressure , pulmonary artery pressure , cardiac output and the left ventricular ejection fraction .
C0026266
mitral
C0018787
heart