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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: J Mol Cell Cardiol. 2011 Jun 16;51(3):428–434. doi: 10.1016/j.yjmcc.2011.06.006

Figure 5.

Figure 5

Viscosity in-vivo. Transmitral Doppler from WT (A) and KO (B) hearts show an asymmetric E-wave for the WT and a more symmetric E-wave in the KO. AT (gray line) is shorter in WT (12ms) than KO (19ms) while DT (black line) is longer in WT (29ms) than KO (25ms). Characterizing the same WT (C) and KO (D) hearts using a viscoelastic model indicates that the WT has a prolonged deceleration phenotype (tail) while the KO has a more symmetric shape that corresponds to a reduced viscosity. (Vertical scale lines denote 50cm/s velocity. Images contrast-adjusted for clarity.)