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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: J Mol Cell Cardiol. 2015 May 4;84:170–178. doi: 10.1016/j.yjmcc.2015.04.022

Figure 2.

Figure 2

Regional sampling from cMRI. Panel A shows a typical heart short axis view of a patient with idiopathic dilated cardiomyopathy, the tagging marks are fitted by a model computer grid whose dimensions during the contraction/relaxation cycle give regional circumferential contration (%Cc). B shows regional shortening from two regions identified by color in A. Note the marked difference in contractile performance between these regions. For reference, shortening from a normal human heart cMRI is shown in blue. Panel C shows %Cc a sample of for healthy volunteers and heart failure patients. The symbols denote septum (circles) versus LV free wall (squares).