Dimension EXL and Vista Operating Procedure
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Questions and Answers

What should be done if a new FLEX is loaded and there is a stability issue?

  • Call Siemens Technical Center immediately.
  • Ignore the problem as it will resolve itself.
  • Replace the FLEX cartridge or move to the next reagent well. (correct)
  • Run the assay without any changes.

    • What must be repeated if the FLEX cartridge is replaced?

  • Calibration for the new reagents.
  • All levels of QC. (correct)
  • Only the control materials.
  • The entire assay.

    • Which of the following trends may indicate a need to recalibrate the instrument?

  • Consistent results with no variation.
  • Intermittent failures with time gaps.
  • Downward or upward trends indicating poor control. (correct)
  • Stable control materials with high readings.

    • What should be done if multiple test failures occur?

    <p>Confirm correct control was used and call Siemens Technical Center.</p> Signup and view all the answers

    When should a Lookback be performed according to the QC note?

    <p>If any level of QC is outside 3SD or more.</p> Signup and view all the answers

    What is indicated by repeated upward or downward trends in control results?

    <p>There may be a need to replace reagents or recalibrate.</p> Signup and view all the answers

    What is suggested if calibration does not resolve an issue with the instrument?

    <p>Call Siemens Technical Center for additional support.</p> Signup and view all the answers

    Which document should be referred to for specific reviewing criteria in QC handling?

    <p>QC Handling and Review Procedure.</p> Signup and view all the answers

    What is the version status of the Dimension Chemistry Systems procedure as of January 4, 2024?

    <p>Approved and Current</p> Signup and view all the answers

    Which of the following methods is NOT used for testing on the Dimension analyzers?

    <p>Immunofluorescence</p> Signup and view all the answers

    Which version of the Document Control is indicated as the first version?

    <p>Version 2.0</p> Signup and view all the answers

    What is the clinical significance of the Dimension Chemistry Systems?

    <p>They perform clinical tests on serum, plasma, fluid, and urine specimens.</p> Signup and view all the answers

    What technology does the instrument use for electrolytes?

    <p>Integrated multi-sensor (IMT) technology</p> Signup and view all the answers

    What is the specimen requirement for Plasma Lactate?

    <p>It requires sodium fluoride and should be kept on ice.</p> Signup and view all the answers

    When was version 3.0 of the Document Control retired?

    <p>December 18, 2023</p> Signup and view all the answers

    Which of the following statements about the Dimension Vista and EXL is correct?

    <p>They provide results for a wide array of chemical analytes.</p> Signup and view all the answers

    What does the 'HIL Thresholds for the EXL' indicate?

    <p>Normal ranges for various lab tests.</p> Signup and view all the answers

    Which test has a [H] Value of 0?

    <p>CKI</p> Signup and view all the answers

    Which of the following has the highest [L] Value?

    <p>DGNA</p> Signup and view all the answers

    What is the [I] Value for the test AMY?

    <p>3</p> Signup and view all the answers

    What value indicates a critical result for the test PHOS?

    <p>4</p> Signup and view all the answers

    Which substance has a [H] Value of 6 and [L] Value of 6?

    <p>ECO2</p> Signup and view all the answers

    How many tests have a [H] Value of 0?

    <p>6</p> Signup and view all the answers

    Which of the following tests does not have a listed [I] Value?

    <p>PHENO</p> Signup and view all the answers

    Which test has the lowest [I] Value?

    <p>BUN</p> Signup and view all the answers

    For which test is the [I] Value the highest?

    <p>HCG</p> Signup and view all the answers

    What does a [I] Value of 5 represent for the test TP?

    <p>Elevated level</p> Signup and view all the answers

    Which of the following tests has an [L] Value of 0?

    <p>PHENO</p> Signup and view all the answers

    What does an HIL Threshold indicate for patient test interpretation?

    <p>They identify test-specific ranges.</p> Signup and view all the answers

    What is the analytical measurement range (AMR) for ETOH in serum?

    <p>3-300 mg/dL</p> Signup and view all the answers

    Which type of specimen requires a manual dilution for the GLUC test?

    <p>Serum</p> Signup and view all the answers

    What is the diluent used for the ETOH test?

    <p>Drug free water</p> Signup and view all the answers

    Which test has a reportable range of 0.1-38.0?

    <p>DBI</p> Signup and view all the answers

    What is the sample volume required for the HCG test?

    <p>3 μL</p> Signup and view all the answers

    What criteria defines the reportable range for the HCG test?

    <p>1-200,000 mIU/mL</p> Signup and view all the answers

    For which test is no dilution method needed?

    <p>ECO2</p> Signup and view all the answers

    What is the manual dilution factor for serum in the DGNA test?

    <p>2</p> Signup and view all the answers

    Which test has a specimen type requiring no dilution method?

    <p>K</p> Signup and view all the answers

    What is the auto dilution factor for ETOH in plasma?

    <p>3</p> Signup and view all the answers

    What is the analytical measurement range (AMR) for the FERR test in serum?

    <p>1-1000 ng/mL</p> Signup and view all the answers

    What is the reportable range for LIP test in serum?

    <p>6-250 U/L</p> Signup and view all the answers

    What is the diluent for the LITH test?

    <p>Patient Sample</p> Signup and view all the answers

    What is the approval date of the document titled 'Siemens Dimension EXL and Vista Operating Procedure'?

    <p>3/6/2024</p> Signup and view all the answers

    Who is the Laboratory Director that approved the document?

    <p>CoraGabriela UramTuculescu</p> Signup and view all the answers

    What is the effective date of the Siemens Dimension EXL and Vista Operating Procedure?

    <p>1/4/2024</p> Signup and view all the answers

    When is the next periodic review scheduled for the document?

    <p>11/11/2025</p> Signup and view all the answers

    Which revision number is the current version of the document?

    <p>3.1</p> Signup and view all the answers

    Who performed the periodic review on 11/11/2024?

    <p>Thuy Sandy Minakowski</p> Signup and view all the answers

    Which designation is listed as the lead for the periodic review needed by 11/11/2025?

    <p>Leetta Bateman</p> Signup and view all the answers

    What type of document is 'CHEM-0045' categorized as?

    <p>Operating Procedure</p> Signup and view all the answers

    What is the role of Thuy Sandy Pham as indicated in the document?

    <p>Education Coordinator</p> Signup and view all the answers

    When was the last periodic review documented?

    <p>7/19/2023</p> Signup and view all the answers

    What is the role of CoraGabriela UramTuculescu in the document?

    <p>Laboratory Director</p> Signup and view all the answers

    Who recorded the document on 6/29/2023?

    <p>Thuy Sandy Minakowski</p> Signup and view all the answers

    What is the primary subject of the document CHEM-0045?

    <p>Siemens Equipment Operation</p> Signup and view all the answers

    Which option is NOT a designation of the individuals listed for approvals?

    <p>Scientific Director</p> Signup and view all the answers

    What is the analytical measurement range for ACTMN when using serum?

    <p>0-300 μg/mL</p> Signup and view all the answers

    What is the required specimen volume for ALB testing?

    <p>5 μL</p> Signup and view all the answers

    What is the auto dilution factor for ALPI?

    <p>2.3</p> Signup and view all the answers

    For which specimen type is the AMM test performed?

    <p>Plasma on ice</p> Signup and view all the answers

    Which test has a reportable range of 0.6-20.0 g/dL?

    <p>ALB</p> Signup and view all the answers

    What is the analytical measurement range for AMY testing using serum?

    <p>0-650 U/L</p> Signup and view all the answers

    What analytical measurement range corresponds to the ALTI test?

    <p>6-1000 U/L</p> Signup and view all the answers

    What is the auto dilute sample volume for the AMY test?

    <p>7 μL</p> Signup and view all the answers

    For AST testing, what is the maximum analytical measurement range?

    <p>2000 U/L</p> Signup and view all the answers

    What type of specimen is used for ALPI testing?

    <p>Plasma</p> Signup and view all the answers

    What specimen type is required for the BOHB test?

    <p>Plasma</p> Signup and view all the answers

    Which test has a manual dilution range of 2.5?

    <p>ALB</p> Signup and view all the answers

    Which test has a reportable range of 10-1500 μmol/L?

    <p>AMM</p> Signup and view all the answers

    Study Notes

    Siemens Dimension EXL and Vista Operating Procedure

    • Procedure Number: CHEM-0045
    • Version: 3.1
    • Effective Date: 1/4/2024
    • Last Approval/Periodic Review Completed: 11/11/2024
    • Next Periodic Review Needed On or Before: 11/11/2025
    • Approval and periodic review signatures are included, along with dates and details
    • List of approvals and reviewers, with their titles and dates, is provided.
    • Clinical Significance: Dimension Chemistry Systems perform various chemical tests on specimens (serum, plasma, fluid, and urine), including routine chemistry, drug assays, cardiac markers, and immunoassays.
    • Specimen Requirements: Detailed specifications for various specimen types (plasma, serum, urine, etc.)
    • Patient Preparation: General guidelines for patient preparation prior to specimen collection
    • Specimen Types: Lists common specimen types including Serum, Plasma, Urine, Body Fluids, and CSF.
    • Unacceptable Specimens: Criteria for unacceptable specimens, including clotting issues and improper sample preparation.
    • Procedure: Operating the Dimension EXL 200 and Vista 500/1500: Various steps in the procedure, including batch mode, open/close QC, manual QC, and testing procedures, have detailed descriptions
    • Quality Control (QC): System checks and probe tests required, along with temperature checks and frequency
    • Calibration: Separate Calibration procedures outlined for EXL and Vista
    • **Troubleshooting Unacceptable QC:**Troubleshooting steps for handling unacceptable QC results and solutions for different problems
    • Reviewing QC Results for EXL and Vista: includes methods for checking LJ charts, trends, and appropriate remedial action for issues
    • Batched Mode or Open/Close QC: Explains when and how to perform QC in batch mode
    • QC Preparation - Storage: Instructions on reagents and their storage
    • Equipment and Materials: Lists the equipment involved in tests.
    • Calibration: Instructions for calibration procedures
    • Maintenance: Daily, weekly, monthly, and as-needed maintenance guidelines.
    • Refers to the Operator's Guide for details
    • CAP Surveys and Interlabs: Details about ongoing surveys and evaluations/testing
    • Testing Procedures: Step-by-step instructions for specimen processing and loading.
      • Specificity for different specimen types
    • Reporting Results: Procedures on using HPL Reference Ranges
    • HIL Flags: Procedures for handling samples with hemolysis, lipemia, and icterus flags.
    • Reportable Ranges: Reference tables provide values for acceptable results, with notes on how to address "Above Assay Range" or "Below Assay Range" result status
    • Special Messages: Procedures and instructions on handling special messages (HIL)
    • Specimen/analyte details are also listed in separate tables for various tests

    Delta failures

    • Refers to HPL approved critical value list on intranet.
    • Most critical values on chemistry instruments are automated to repeat.

    Procedure for Operating the Dimension EXL 200 and Vista 500/1500

    • Detailed steps for operating the Dimension EXL 200 and Vista 500/1500 analyzers are provided.
    • Instructions on using the various menus and functions of the instrument
    • Explanation of different modes
    • Instructions on handling and reporting results

    Procedure: Operating the Dimension EXL 200 and Vista 500/1500:

    • Includes detailed instructions on using different types of specimens (Serum, Plasma, Urine, CSF).

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    CHEM-0045 Siemens Dimension EXL and Vista Operating Procedure (Bon Secours Mercy Health) PDF

    Description

    Explore the operational procedures for the Siemens Dimension EXL and Vista Chemistry Systems. This quiz covers clinical significance, specimen requirements, patient preparation, and the types of specimens used in various chemical tests. Prepare to enhance your understanding of laboratory protocols and specimen handling.

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