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Measurement of left atrial size using 2D length-based method of cardiac multidetector CT.
A. Oblique axial image of left atrium. Transverse diameter of left atrium was measured at distance between right and left pulmonary veins. Anterior-posterior diameter of left atrium was measured at midpoint of transverse diameter.
B. Sagittal view of left atrium. Longitudinal diameter of left atrium was measured at midpoint of transverse diameter.
