Müse Parameter Descriptions
228
CAEAthena
PN: 905K520652 v2.8
Systemic Arteries Compliance Factor
The Systemic Arteries Compliance Factor parameter adjusts the pulse pressure (difference
between systolic and diastolic pressures) of the simulated patient’s systemic blood pressure.
Increases in the compliance factor result in a decreased (narrower) pulse pressure, while smaller
values increase the pulse pressure. Additionally, when the pulse pressure increases as a result of a
reduced compliance factor, both systolic and diastolic pressures increase. Conversely, with a
narrower pulse pressure (higher compliance factor), both the systolic and diastolic blood pressures
also drop.
Default: 1
Range: 0.20 - 5.00
Pulmonary Arteries Compliance Factor
The Pulmonary Arteries Compliance Factor parameter adjusts the pulse pressure (difference
between systolic and diastolic pressures) of the simulated patient’s pulmonary blood pressure.
Increases in the compliance factor decrease (narrow) the pulse pressure, while smaller values
increase the pulse pressure. Additionally, when the pulse pressure increases as a result of a reduced
compliance factor, both systolic and diastolic pulmonary pressures increase. Conversely, with a
narrower pulse pressure (higher compliance factor) both the systolic and diastolic pulmonary
pressures also drop.
Default: 1
Range: 0.20 - 5.00
Pulmonary Vasculature Resistance Factor
The Pulmonary Vasculature Resistance Factor parameter adjusts the baseline pulmonary vascular
resistance. Raising the value increases the pulmonary vascular resistance, while lowering the value
decreases the vascular resistance.
Raising the parameter value is analogous to increasing the resistance to blood flow through the
pulmonary vasculature. Under such conditions, the pulmonary artery pressure (PAP) and central
venous pressure (CVP) increase due to back-pressure through the right side of the heart.
Default: 1
Range: 0.10 - 10.00
Venous Return Resistance Factor
The Venous Return Resistance Factor parameter adjusts the resistance between the extrathoracic
and intrathoracic venous compartments. Raising the value increases the resistance, while lowering
the value decreases the resistance.
With less blood returning to the heart, there is a reduced volume entering the ventricles prior to
ventricular contraction. This results in a drop in the cardiac output and decrease in arterial blood
pressures. The heart rate increases due to feedback from the physiological control mechanisms in an
attempt to maintain adequate blood pressures.
Default: 1
Range: 0.10 - 100.00
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