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M-mode, or motion mode, is a linear display of the events of the cardiac cycle, with time on the x-axis and motion on the y-axis. M-mode is used commonly.

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Presentation on theme: "M-mode, or motion mode, is a linear display of the events of the cardiac cycle, with time on the x-axis and motion on the y-axis. M-mode is used commonly."— Presentation transcript:

1 M-mode, or motion mode, is a linear display of the events of the cardiac cycle, with time on the x-axis and motion on the y-axis. M-mode is used commonly to measure the fetal heart rate. In this image, there is normal concordance between atrial (A) and ventricular contractions (V). Movement of the tricuspid valve (T) is also shown. There is also a premature atrial contraction (arrow) and a subsequent early ventricular contraction, followed by a compensatory pause. Source: Figure and Table Gallery, Williams Obstetrics, 25e Citation: Cunningham F, Leveno KJ, Bloom SL, Spong CY, Dashe JS, Hoffman BL, Casey BM, Sheffield JS. Williams Obstetrics, 25e; 2016 Available at: Accessed: October 22, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved

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