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. 2011 Apr-Jun;1(2):160–181. doi: 10.4103/2045-8932.83446

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Copyright: © Pulmonary Circulation

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Tricuspid annular plane systolic excursion (TAPSE) in M-mode obtained in the apical four chamber view. The distance between the enddiastolic (a) and end-systolic (b) represents TAPSE (2.7 cm). Panel B represents end-diastolic measurement (7.2 cm) from the apex to the tricuspid valve plane. Panel C represents the end-systolic measurement (5.9 cm) from the apex to the tricuspid valve plane. The difference between these two measurements is the 2-D TAPSE (1.3 cm). M-mode is more commonly used, but the methods yield comparable results.