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. Author manuscript; available in PMC: 2013 May 6.
Published in final edited form as: Prog Cardiovasc Dis. 2008 Jul-Aug;51(1):74–88. doi: 10.1016/j.pcad.2007.11.005

Figure 1.

Figure 1

A single schematic showing the tight link between metabolism and contractile function of the heart. Increased contractile performance requires increased rates of energy substrate metabolism. See text for further discussion.