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Definition of the 4 protocols. (A) AV Junctions: short-axis slices parallel to the plane that cuts through the right and the left atrioventricular junctions. (B) Left AV Junctions: short-axis slices parallel to the plane that cuts through the left atrioventricular junction. (C) Septum: short-axis slices perpendicular to the septum with one cutting through the septum junction. (D) Long Axis: short-axis slices perpendicular to the long axis with one cutting through the septum junction.
