78
o p e r a t i n g t h e a n a l y z e r
1
Tietz: Fundamentals of Clinical Chemistry, 4th edition, (1996)
2
B. Statland: Clinical Decision Levels for Lab Test, 2nd edition
3
Fink: Clinical Practice in Respiratory Care
Arterial Mixed Venous Venous
pH <7.300, >7.600 <7.340, >7.360 <7.340, >7.360
PCO
2
<20.0, >50.0 mmHg <44.0, >46.0 mmHg <44.0, >46.0 mmHg
PO
2
<45, >250 mmHg <38, >42 mmHg <38, >42 mmHg
Hct <25, >70% <25, >70% <25, >70%
Na
+
<115.0, >150.0 mmol/L <115.0, >150.0 mmol/L <115.0, >150.0 mmol/L
K
+
<3.0, >7.5 mmol/L <3.0, >7.5 mmol/L <3.0, >7.5 mmol/L
Ca
++
<0.8, >3.0 mmol/L <0.8, >3.0 mmol/L <0.8, >3.0 mmol/L
Cl
-
<90.0, >112.0 mmol/L <90.0, >112.0 mmol/L <90.0, >112.0 mmol/L
CRITICAL
View the analyzer’s critical limits
for arterial
2
, mixed venous
3
, or
venous
2
samples. These limits have been set to be equal to normal
limits. The lab should determine and set their own critical limits which
are consistent with the site of venous sampling and other clinical fac-
tors. The preset limits are:
Proceed to SETUP MENU and select SET REFERENCE
LIMITS to enter new values.
AMR
AMR is available when the feature is turned on in
CONFIGURATIONS. View the analyzer limits for each electrode.
CAL/SAMPLE # DATA
View the slopes and millivolts for each electrode, and the
calibration status for the pump and bubble detectors.
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