7. PT/aPTT Combination Test
Step 8:
Touch
Next
to continue. The
Cartridge Warm-
ing Up screen opens.
It takes approximately 90 seconds for the Ana-
lyzer to warm up the test cartridge to
99 °F
or
37
◦
C
depending on the environment’s temper-
ature. Lower and higher room temperatures
may change the warm up time.
!
Do not add blood samples while the cartridge is warming up. Wait
until a prompt appears on the screen instructing you to add the
sample.
By default, a message
Add blood and wait
flashes on the screen
and a single beeping sound can be heard which signals that the
blood sample can now be added to the cartridge.
Step 9:
Gently invert the test tube back and forth 10 times to obtain a uniform mixture
of blood cells and plasma.
When the message
Add blood and wait
appears on the screen, use the
disposable one-time-use pipette supplied with the cartridge to add a droplet
of blood sample to the cartridge’s sample well.
i
Be sure to fill the sample well with at least 60 µL blood.
The measurement starts automatically as soon as the sample is
detected. The test progress is shown on the screen. Measurement
takes approximately 10 minutes.
If the Analyzer alerts you that an insufficient amount of sample was
placed into the sample well, repeat the measurement with a new
cartridge. Touch Cancel to terminate the ongoing test.
Step 10:
The test result is displayed on the screen when
the test is finished.
If a printer is connected to the instrument, touch
Print to print the test result.
Touch
Done
to return to the Home screen. Re-
move the used test cartridge and dispose of it
properly.
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