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A Simplified Rotational Spring Model for Mitral Valve Dynamics

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Academic year: 2021

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Fig.   1   shows   a   hypothetical   case   as   a   piecewise   linear function.   In   the   first   section,  0<θ<θ 1 ,   the   force   changes rapidly with a shape K 1 =F K (θ 1 )/ θ 1,   which corresponds to the stiffness   of   the   valve   d
Fig. 3. Animal data (Saito et al., 2006) showing LAP, LVP  and theta, and the calculated ΔP.
Fig. 3 shows that the pressure difference becomes negative as the   mitral   valve   closes   after   both   peaks
Fig. 5. Comparison of modelled theta with animal data,  assuming a single F K (θ) across both peaks, and a separate damping coefficient, c, for each peak.
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