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Symptom
Measurements on control
materials are out of range
– either too HIGH or too LOW.
Measurements on patient
samples are higher or lower than
anticipated.
Explanation
1. The microcuvettes are beyond their expiry date,
damaged or have been improperly stored.
2. The optical eye of the microcuvette is contaminated.
3. The control has not been mixed properly and/or is not at
room temperature.
4. Air bubbles in the microcuvette.
5. The optronic unit is dirty.
6. The control is not suitable for use with the HemoCue
Hb 201 + system.
7. The calibration of the analyser has been changed.
8. The controls are beyond their expiry dates or have been
improperly stored.
1. The microcuvettes are beyond their expiry date,
damaged or have been improperly stored.
2. The optical eye of the microcuvette is contaminated.
3. Air bubbles in the microcuvette.
4. The optronic unit is dirty.
5. The calibration of the analyser has been changed.
Action
1. Check the expiry date and the storage conditions of
the microcuvettes.
2. Remeasure the sample with a new microcuvette.
3. Make sure that the control is mixed properly and at
room temperature.
4. Check the microcuvette for air bubbles. Remeasure
the sample with a new microcuvette.
5. Clean the optronic unit using the HemoCue Cleaner.
6. Only use controls intended for the HemoCue Hb 201 +
system recommended by HemoCue.
7. The analyser needs service. Contact your distributor.
8. Check the expiry date and the storage conditions of
the control. Take a new microcuvette and repeat the
measurement.
1. Check the expiry date and the storage conditions of
the microcuvettes.
2. Remeasure the sample with a new microcuvette.
3. Check the microcuvette for air bubbles. Remeasure
the sample with a new microcuvette.
4. Clean the optronic unit using the HemoCue Cleaner.
5. The analyser needs service. Contact your distributor.
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Inhoudsopgave
