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Tricuspid annular planar systolic excursion (tricuspid annular plane systolic excursion). Phased array probe (1-5 MHz) in “Cardiac” preset, placed in apical 4 chamber view. M-mode line is placed across the lateral tricuspid annulus to assess longitudinal contraction of the right ventricle (RV) free wall, a regional surrogate for RV function. The tricuspid annular planar systolic excursion of this patient was 1.93 cm which is low normal.
