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. 2008 Oct 9;7(4):231–238. doi: 10.1111/j.1524-6175.2005.04119.x

Figure 1.

Figure 1

The Law of Laplace follows the formula, T=P x r/h: circumferential wall stress (T)=transmural distending pressure (P) x radius of chamber (r)÷wall thickness (h). To compensate for an increase in left ventricular pressure, wall thickness increases to reduce wall stress.