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Figure 2: 3-dimensional transesophageal echocardiographic image analyzed with multiplanar reformatting. Moving the green plane the membrane is seen partially dividing the left atrium into a proximal and distal portion

Figure 2: 3-dimensional transesophageal echocardiographic image analyzed with multiplanar reformatting. Moving the green plane the membrane is seen partially dividing the left atrium into a proximal and distal portion