Fig. 3From: Respiratory influence on left atrial volume calculation with 3D-echocardiography a Bland-Altman plot of the intraobserver end diastolic and systolic atrial volume measurements during free breathing, showing a small intraobserver difference. b Bland-Altman plot of the interobserver end diastolic and systolic atrial volume measurements during free breathing, showing a small interobserver differenceBack to article page