Art: 714374-00J
Rev. Date: 25-Aug-11
12-7
Results Display
INTERPRETATION OF DISPLAYED RESULTS
Test results are displayed with numerical concentration values in the units
selected for the Customization profile. For patient test
results, bar graphs depicting the values in relation to
reference ranges are also displayed. Reference ranges are
marked on the bars by tic marks. When all test values
are within their reference ranges, the tic marks will
be centrally aligned. The bar graphs can be used as a
visual cue for distinguishing between “normal” and
“abnormal” results. Blood gas, coagulation, and cTnI
results are not displayed with bar graphs and reference
ranges.
If a value exceeds the reference range, the bar graph
may be rescaled to show the reference range and value
in relation to the measurement range.
Reportable Ranges
The reportable range (sometimes referred to as the
linear range) is the concentration range over which
test results are valid. Reportable ranges programmed
into the analyzer are listed in the Cartridge and Test
Information section.
Reference Ranges
Reference ranges (sometimes referred to as normal
ranges) in the default Customization profile are
derived from the literature and are listed in the
Cartridge and Test Information section as well as in
the Customization option on the analyzer. Variables
such as sex, age, heritage and other demographic
factors of a population may cause a shift in these
ranges. Therefore, it is usually recommended
that each facility determine its own reference
ranges. Reference ranges can be changed using the
Customization function on the Central Data Station.
Action Ranges
Action ranges (sometimes referred to as critical values)
indicate results that require immediate attention. When
a test result falls outside the action range it is flagged as
either above the high action range
or below the low
action range
. Action ranges are programmed into
the analyzer using the Customization function on the Central Data Station and
can be viewed on the analyzer under the Customization option.
Note: Since the
and
symbols cannot be printed from the Martel Printer,
action range flags on a Martel printer will appear with the << >> symbol.
ACT Cartridges
When testing a Celite ACT or Kaolin ACT cartridge, an option to cancel the
test will appear on the analyzer screen. The cancel test option will only appear
after all the data entry has been completed. If the operator chooses to cancel
the test, the result will display as "0".
Summary of Contents for i-STAT 1
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