PHYSIOLOGICAL CALCULATIONS (HEMO/OXY/VENT CALCULATIONS)
VF8 DELTA/DELTA XL/KAPPA 16-7
Oxygenation and Ventilation Parameters
The monitor calculates the oxygenation and ventilation values using these parameters.
The monitor automatically calculates the following oxygenation and ventilation
parameters:
TPR Total Pulmonary
Resistance
80 x PA M / CO dynes x sec/cm
5
TVR Total Vascular
Resistance
80 x ART M / CO dynes x sec/cm
5
Label
Parameter Description Derivation Units
Hgb Hemoglobin concentration Monitored input g/dl
iO2 Inspired Oxygen Monitored input %
PaCO2 Arterial CO2 Pressure Input data mmHg
PaO2 Arterial Oxygen Pressure Input data mmHg
PAUSE Pause/Plateau Pressure Monitored input cmH2O
Pb Barometric pressure Monitored input mmHg
PeCO2 Mixed Expired CO2 Pressure Monitored input mmHg
PEEP Peak End Expiratory Pressure Monitored input cmH2O
PIP Peak inspiratory Pressure Monitored input cmH2O
RRc, RRc*,
RRv
Respiratory Rate Monitored input L/m
SaO2,
SaO2*
Arterial Oxygen Saturation Input data %
SvO2 Venous Oxygen saturation Monitored input %
TVe Expired Tidal Volume Monitored input ml/breath
Label
Parameter Description Equations Units
C(a-v)O
2
Arteriovenous Oxygen Difference CaO
2
- CvO
2
ml/dl
CaO
2
Arterial Oxygen Content .0134 x HGB x SaO2 ml/dl
C
DYN
Dynamic Compliance C
DYN =
TVe/ (PIP - PEEP) ml/cmH2O
Cs Static Compliance TVe/(Pause-PEEP) ml/cmH2O
CvO
2
Venous Oxygen Content .0134 x HGB x SvO2 ml/dl
DO
2
Oxygen Availability, Delivery, or
Transport
CaO
2
x CO x 10 mL/min.
DO
2
I Oxygen Availability (or Delivery)
Index
DO2 / BSA mL/min/m
2
MV alv Alveolar Minute Volume (TVe- Vd aw) x RR mL/min
Label
Parameter
Description
Derivation Units