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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Circ Cardiovasc Imaging. 2016 Sep;9(9):10.1161/CIRCIMAGING.116.004612 e004612. doi: 10.1161/CIRCIMAGING.116.004612

Figure 2.

Figure 2

Timing from onset of QRS to the onset of tricuspid (A) and mitral (B) inflow, as a surrogate measure of right (A) and left (B) ventricular systole. The ratio of right ventricular systolic duration divided by left ventricular systolic duration yields a quantifiable measure of the degree of prolongation of right ventricular systole. Here, the ratio measures 1.18.