Product Manual

Patient Monitor User Manual Calculation
- 134 -
Items
Unit
English Full Name/Description
Formula
CVP ) / C.O.
SVRI
DS·m
2
/cm
5
Systemic vascular resistance index
SVRI = SVR/ BSA
PVR
DS/cm
5
Pulmonary vascular resistance
PVR = 80* ( PA MAP-
PAWP ) / C.O.
PVRI
DS·m
2
/cm
5
Pulmonary vascular resistance
index
PVRI = PVR / BSA
LCW
kg·m
Left cardiac work
LCW = 0.0136 * AP MAP*
C.O.
LCWI
g·m
Left cardiac work index
LCWI= LCW / BSA
RCW
kg·m
Right cardiac work
RCW = 0.0136 *PA MAP*
C.O.
RCWI
kg·m/m
2
Right cardiac work index
RCWI = RCW / BSA
LVSW
g·m
Left ventricular stroke work
LVSW= 0.0136 * (AP
MAP-PAWP)* SV
LVSWI
g·m/m
2
Left ventricular stroke work index
LVSWI= LVSW / BSA
RVSW
g·m
Right ventricular stroke work
RVSW = 0.0136 *
(PAP-PAWP)* SV
RVSWI
g·m/m
2
Right ventricular stroke work index
RVSWI = RVSW / BSA
EF
%
Ejection fraction
EF = SV /EDV *100%
20.3 Oxygenation Calculation
20.3.1 Calculation Procedure
1. Select Menu > Common Function > Calculation > Oxygenation.
2. Manually enter the values required on this interface. You can also directly obtain the values
of patient height, patient weight, C.O. and FiO
2
if they are available from the monitor by
selecting Get Info.
3. Select Calculate to output parameter value.
20.3.2 Input Parameters
Items
Unit
English Full Name/Description
FiO
2
%
Percentage fraction of inspired oxygen
PaO
2
mmHg
Partial pressure of oxygen in the arteries
PaCO
2
mmHg
Partial pressure of carbon dioxide in the arteries
PiO
2
mmHg
Partial pressure of oxygen in inspired gas
SaO
2
%
Arterial oxygen saturation