Figure 1From: Left atrial pathological degeneration assessed by integrated backscatter transesophageal echocardiography as a predictor of progression to persistent atrial fibrillation: Results from a prospective study of three-years follow-up Measurement site of left atrium. Schematic image of the analyzed site (square). Lateral, anterior and septal walls of the left atrium were analyzed. LA: left atrium. LV: left ventricle.Back to article page