G-1
Glossary and Acronyms
Note: These denitions are specic to the Terumo Cardiovascular CDI OneView™
System.
Alpha-stat
Maintenance of a constant OH−/H+ ratio, accomplished by measuring blood gas
values at 37°C and keeping a constant pH of 7.40 and pCO
2
of 40 mmHg.
Aseptic technique
Used when placing a sterile CDI H/S Cuvette or CDI Shunt Sensor into the extracorporeal
circuit. Have a sterile team member place the sterile CDI component into the line or use
a sterile blade to cut into a sterilized circuit.
Base excess (B.E.)
The sum of all the conjugate bases in one liter of whole blood.
Bicarbonate (HCO
3
–
)
The primary buffering system of the body. It minimizes changes in pH when either
acids or bases are added to the blood.
Blood Parameter Module (BPM)
Arterial and/or venous cable modules are used to measure pH, pCO
2
, pO
2
, K
+
and
temperature.
Buffer solution
A solution in the sensor that stabilizes the microsensors during storage. It also reacts
with the tonometered gases during calibration to establish predictable pH, pCO
2
, pO
2
and K
+
values. It cannot be replaced with other solutions.
Cardiac Index (CI)
Relates cardiac output per minute to body surface area, thus providing a metric of
heart performance based on the size of the individual.
DMS
Data Management System.
Hematocrit (HCT)
The volume percentage of red blood cells in the blood.
Hemoglobin (Hgb)
The iron-containing protein complex in red blood cells that combines with oxygen and
carbon dioxide.
H/S
Hematocrit/Saturation.
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