Evaluation of a Model-Based Hemodynamic Monitoring Method in a Porcine Study of Septic Shock

Table 3

Identified CVS model parameters and the measurements (convergence set points) used to identify them.

Identified parameter		Measurement used to identify parameter
Symbol	Description	Symbol	Description
𝐸es,lvf	Left ventricle end systolic elastance	GEDV	Global end diastolic volume
𝐸ao	Aortic elastance	PPao	Amplitude of aortic pressure
𝐸vc	Vena cava elastance	𝑃vc	Modelled Vena cava pressure
𝐸es,rvf	Right ventricle end systolic elastance	GEDV	Global end diastolic volume
𝐸pa	Pulmonary artery elastance	PPao	Amplitude of pulmonary artery pressure
𝐸pu	Pulmonary vein elastance	𝑃vc	Modelled vena cava pressure
𝑅mt	Mitral valve resistance	SV	Stroke volume
𝑅av	Aortic valve resistance	𝑑𝑃ao,max/𝑑𝑡	Maximum ascending aortic pressure gradient
𝑅sys	Systemic vascular resistance	𝑃ao,mean	Mean aortic pressure
𝑅tc	Tricuspid resistance	SV	Stroke volume
𝑅pv	Pulmonary valve resistance	𝑑𝑃ao,max/𝑑𝑡	Maximum ascending pulmonary artery pressure gradient
𝑅pul	Pulmonary vascular resistance	𝑃po,mean	Mean pulmonary artery pressure
𝑃vc	Vena cava pressure	𝑡tc, SV	Tricuspid valve closure time and stroke volume
𝑃pu	Pulmonary vein pressure	𝑡mt, SV	Mitral valve closure time and stroke volume