H
230
Appendix
Glossary
Alarms
Audible and visual indicators that notify operator that a
measured patient parameter is outside the alarm limits.
Alarm Limits
Maximum and minimum values for monitored patient
parameters.
Baseline Blood Temperature
Blood temperature that serves as the basis for cardiac
output measurements.
Blood Pressure (BP)
Blood pressure measured with HemoSphere pressure cable.
Blood Temperature (BT)
Temperature of the blood in the pulmonary artery when
the catheter is properly positioned.
Body Surface Area (BSA)
The calculated surface area of a human body.
Bolus (iCO) Mode
Functional state of the HemoSphere Swan-Ganz module
in which cardiac output is measured by the bolus
thermodilution method.
Bolus Injection
A known volume of iced or room temperature fluid,
which is injected into a port on the pulmonary artery
catheter and serves as the indicator for measuring cardiac
output.
Button
A screen image with text that, when touched, initiates an
action or provides access to a menu.
Cardiac Index (CI)
Cardiac output adjusted for body size.
Cardiac Output (CO)
Volume of blood ejected per minute from the heart into
the systemic circulation measured in liters per minute.
Central Venous Oxygen Saturation (ScvO
2
)
Percentage of hemoglobin saturated with oxygen in the
venous blood as measured in the superior vena cava
(SVC). Displayed as ScvO
2
.
Central Venous Pressure (CVP)
The average pressure in the superior vena cava (right
atrium) as measured by an external monitor. Indicates
venous return to the right side of the heart.
Computation Constant
A constant used in the cardiac output equation that
accounts for density of blood and injectate, injectate
volume, and indicator loss in the catheter
Default Settings
Initial operating conditions assumed by the system.
Dynamic Arterial Elastance (Ea
dyn
)
Dynamic arterial elastance is the ratio of pulse pressure
variation and stroke volume variation (PPV/SVV). It is an
estimate of arterial elastance.
End-Diastolic Volume (EDV)
The volume of blood in the right ventricle at the end of
diastole.
End-Diastolic Volume Index (EDVI)
Right heart end diastolic volume adjusted for body size.
Estimated Oxygen Consumption (VO
2
e)
An expression of the estimated rate at which oxygen is
used by tissues, usually given in mL/min of oxygen
consumed in 1 hour by 1 milligram dry weight of tissue.
Calculated with ScvO
2
.
Status = Released Printed Date: 2018-01-16 Released Date: 2017-09-14
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