Figure 1
From: Stress-echocardiography in idiopathic dilated cardiomyopathy: instructions for use
Change in ejection fraction during follow-up in patients wih preserved (group A) and diminished (group B) contractile reserve. Abreviations: LVEF, left ventricular ejction fraction. From: Kitaoka H, Takata T, Yabe N, Hitomi N, Furuno T, Doi YL: Low dose dobutamine stress echocardiography predicts the improvement of left ventricular systolic function in dilated cardiomyopathy. Heart 1999; 81 :523-27.