TROUBLESHOOTING - 10
VerifyNow System User Manual Page 92 14340.J
Issue Description Resolution
Message – Enter Patient
identification
An incorrect number of
characters for Patient ID
have been entered during
an assay.
This typically occurs when the patient ID number entered does not
match the specified number of characters for the patient ID.
1) Check the Patient ID displayed on the screen to see if it is the
correct length.
2) Re-enter the correct Patient ID using the correct Patient ID length.
To verify correct Patient ID length see section 8.5
Message – Retrieve
patient identification
A Patient ID has been
entered where there is no
matching record.
This typically occurs when retrieving patient test results and an
incorrect patient ID number is entered. It does not match the patient ID
of the patient tests stored in memory.
1) Check the Patient ID displayed on the screen to see if it is the
correct length.
2) Re-enter the correct Patient ID using the correct Patient ID length.
To verify correct Patient ID length, see section 8.5
Message – Remove assay
device
A used assay device
inadvertently remains in the
assay port.
Remove the device and tube together before proceeding. The
instrument will produce two audible beeps.
Message – Perform EQC
The time between EQC
checks exceeds the set
interval specified in the
instrument settings.
The instrument prompts an operator to perform a simple electronic
quality control (EQC) check at periodic intervals.
1) Perform an EQC test (see Section 5.1).
2) If the EQC is OK, proceed with the patient test.
Message – Non-matching
baseline values (IIb/IIIa
assay only)
The two baseline entries do
not match.
A message displays while entering the baseline PAU result if the two
entries do not match.
1) Use the Tab key to move to the field that was entered incorrectly,
and re-enter the correct baseline.
2) Press the Next key to calculate percent inhibition.
Message – Low baseline
value (IIb/IIIa assay only)
The baseline result entered
is a lower PAU value than
the post-drug result.
A flashing and “≤” symbol will display when a suspicious baseline
has been entered.
1) Verify that the baseline result entered was correct.
2) If correct, press the Next key to calculate % inhibition as above. If
incorrect, re-enter the correct baseline as above and press the Next
key to calculate % inhibition.
Message – Reference
range baseline values
(IIb/IIIa assay only)
A baseline result is entered
that is not within the
expected range.
A reference range has been established for baseline patient samples
(before GP IIb/IIIa inhibitor administration) using the VerifyNow
System. Refer to VerifyNow IIb/IIIa package insert. This message
appears if the entered baseline is outside the reference range.
1) Verify that the baseline result entered was correct.
2) If correct, press the Next key to calculate % inhibition as above. If
incorrect, re-enter the correct baseline as above and press the Next
key to calculate % inhibition.
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