Edwards HemoSphere - Page 201

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HemoSphere Advanced Monitor C Equations for Calculated Patient Parameters
SVR Systemic Vascular Resistance
SVR = {(MAP - CVP) x 80} /CO (dyne-sec/cm
5
)
SVR = {(MAP
SI
– CVP
SI
) x 60} /CO
where:
MAP – Mean Arterial Pressure, mmHg
MAP
SI
– Mean Arterial Pressure, kPa
CVP – Central Venous Pressure, mmHg
CVP
SI
– Central Venous Pressure, kPa
CO – Cardiac Output, L/min
dyne-s/cm
5
(kPa-s/L)
SI
SVRI Systemic Vascular Resistance Index
SVRI = {(MAP - CVP) x 80} /CI
where:
MAP – Mean Arterial Pressure, mmHg
MAP
SI
– Mean Arterial Pressure, kPa
CVP – Central Venous Pressure, mmHg
CVP
SI
– Central Venous Pressure, kPa
CI – Cardiac Index, L/min/m
2
dyne-s-m
2
/cm
5
(kPa-s-m2/L)
SI
SVV Stroke Volume Variation
SVV = 100 × (SV
max
- SV
min
) / mean(SV)
%
VO
2
Oxygen Consumption
VO
2
= Ca-vO
2
x CO x 10 (mL O
2
/min)
where:
Ca-vO
2
– Arteriovenous Oxygen Content Difference, mL/dL
CO – Cardiac Output, L/min
mL O
2
/min
VO
2
e Estimated Oxygen Consumption Index when ScvO
2
is being monitored
VO
2
e = Ca-vO
2
x CO x 10 (mL O
2
/min)
where:
Ca-vO
2
– Arteriovenous Oxygen Content Difference, mL/dL
CO – Cardiac Output, L/min
mL O
2
/min
VO
2
I Oxygen Consumption Index
VO
2
/ BSA
mL O
2
/min/m
2
Table C-1 Cardiac and oxygenation profile equations (continued)
Parameter Description and formula Units
Status = Released Printed Date: 2018-01-16 Released Date: 2017-09-14