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. 2018 Aug 29;9:1069. doi: 10.3389/fphys.2018.01069

Figure 1.

Figure 1

(A) Schematic of a single coronary vessel and the applied dynamic pressure boundary conditions. Pin is the inlet pressure, Pout is the outlet pressure, PT is the tissue pressure exerted by the myocardium, Pmid is the unknown intravascular pressure. (B) The vessel 3-element Windkessel model comprising two resistors R1, R2 and a capacitive element C that accounts for the vessel volume changes.