Test Overview
Avoximeter- optical absorbance
Performed at authorized locations by point of care operators. Assessment of oxy-hemoglobin during cardiac catheterization, applying the results to shunt calculations and cardiac output determinations based on the Fick Principle.
Analyte specific reference ranges are available in the Avoximeter test procedure located on the POC website: https://www.pathology.med.umich.edu/point-of-care.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Do not disturb the instrument while test is in progress. Avoximeter result should be scrutinized in light of a specific patient condition. Any results exhibiting inconsistency with the patient's clinical status should be repeated or supplemented with additional test data.
Test Details
0 - 10 seconds
Specimen Requirements
Collect in heparinized syringe.
Samples must be tested within 30 minutes of collection and immediately after exposing the sample to room air.
Additional Information
For more test specific information, please refer to the test procedure found on the Michigan Medicine POC website: https://www.pathology.med.umich.edu/point-of-care.