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Fig. 6 | BioMedical Engineering OnLine

Fig. 6

From: Monitoring variability in parameter estimates for lumped parameter models of the systemic circulation using longitudinal hemodynamic measurements

Fig. 6

The mean parameter estimates, and standard deviations, for all individuals in the different data sets. These results originate from estimates made for the closed-loop (“CL”) and open-loop (“OL”) models, respectively. “F” indicates the finger pressure waveform, and “C” indicates the data set with the carotid pressure waveform. The y-axis represents model parameters and units listed in Table 1 as BSA indexed values, with the exception of \(t_{\text{peak}}\) which is given in units seconds, s. \(E_{\text{max}}\) is the maximal left-ventricular elastance, \(C_{\text{ao}}\) is the systemic arterial compliance, \(R_{\text{sys}}\) is the total peripheral resistance, \(t_{\text{peak}}\) is the time of maximal ventricular elastance, \(Z_{\text{ao}}\) is the characteristic aortic impedance, \(V_{\text{tot}}\) is the total stressed blood volume, and \(C_{\text{sv}}\) is the systemic venous compliance

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