Fig. 1From: Automated quantification of left atrial size using three-beat averaging real-time three dimensional Echocardiography in patients with atrial fibrillationMeasurement of left atrial volume by three-beat averaging real-time three-dimensional echocardiography with semi-automated endocardial border detection. a Set the region of interest in the left atrium. b Perform semi-automated endocardial border tracking of the left atrium. c Set left atrial volume curve, and calculate average left atrial LA volume from three consecutive beatsBack to article page