Fig. 1From: Global longitudinal strain is a more reproducible measure of left ventricular function than ejection fraction regardless of echocardiographic trainingImages obtained by expert echocardiographer analyzed by both trainee and expert. Scatterplot for GLS (a) and LVEF (b). Bland-Altman plot for GLS (c) and LVEF (d). Dotted line illustrates 95% confidence interval and colored dotted line illustrate fixed biasBack to article page