i-SENS i-Smart 300, Operator'S Manual, Page: 9 / 107

1. Introduction
Operator’s Manual
1-4
Symbols and Terms, continued
Terms
Term Description
pH
Negative log of the hydrogen ion activity
p CO
2
Partial pressure of carbon dioxide
p O
2
Partial pressure of oxygen
c Na + Concentration of sodium ion
cK + Concentration of potassium ion
c Ca 2+ Concentration of calcium ion (ionized calcium)
c Cl - Concentration of chloride ion
Hct Hematocrit
Cal Calibration
Cal 1 1-Point calibration
Cal 2 2-Point calibration
QC Quality control
Warning
A statement that alerts the operator to the
possibility of injury, death, or other serious
adverse reactions associated with the use or
misuse of the device.
Caution
A statement that alerts the operator to the
possibility of device malfunction, device failure,
damage to the device or damage to other
property associated with the use or misuse of the
device.