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. Author manuscript; available in PMC: 2011 Sep 22.
Published in final edited form as: Open Pacing Electrophysiol Ther J. 2010;3:45–54.

Fig. 1.

Fig. 1

Circuit diagram of Sah’s lumped parameter hemodynamic model. Counterclockwise blood flow (electrical current) is driven by contraction of the ventricles (time-varying capacitors). Redrawn from Davis [Davis-1991].