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21Calculations
Calculations are patient data that is not directly measured but calculated by the monitor when you
provide it with the appropriate information.
Your monitor can perform the following hemodynamic, oxygenation, and ventilation calculations.
The hemodynamic calculations available depend on the Cardiac Output measurement method being
used and the regulatory standards that apply for your hospital: see the C.O. chapter for availability
details.
Viewing Calculations
♦ Select the Calculations SmartKey to open the Calculations window.
♦ Select the Calc Type field and select the required calculation type for display.
Hemodynamic Oxygenation Ventilation
Cardiac Index (C.I.)
Stroke Volume (SV)
Stroke Index (SI)
Systemic Vascular Resistance (SVR)
Systemic Vascular Resistance Index (SVRI)
Pulmonary Vascular Resistance (PVR)
Pulmonary Vascular Resistance Index (PVRI)
Left Cardiac Work (LCW)
Left Cardiac Work Index (LCWI)
Left Ventricular Stroke Work (LVSW)
Left Ventricular Stroke Work Index (LVSWI)
Right Cardiac Work (RCW)
Right Cardiac Work Index (RCWI)
Right Ventricular Stroke Work (RVSW)
Right Ventricular Stroke Work Index (RVSWI)
Extra Vascular Lung Water Index (EVLWI)
Intrathoracic Blood Volume Index (ITBVI)
Global End Diastolic Volume Index (GEDVI)
Arterial Oxygen Content (CaO
2
)
Venous Oxygen Content (CvO
2
)
Arteriovenous Oxygen Content
(avDO
2
)
Oxygen Availability Index (O
2
AVI)
Oxygen Consumption (VO
2
)
Oxygen Consumption Index
(VO
2
I)
Oxygen Extraction Ratio (O
2
ER)
Alveolar-Arterial Oxygen
Difference (AaDO
2
)
Percent Arteriovenous Shunt
(Qs/Qt)
Minute Volume (MINVOL)
Compliance (COMP)
Dead Space (Vd)
Dead Space/Tidal Volume
Ratio (Vd/TV)
Alveolar Ventilation
(ALVENT)