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The Sessions Law Firm, LLC

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470.225.7710

  • Home
  • About
    • Ben Sessions
    • Areas We Serve
    • Testimonials
  • Car Accidents
    • Drunk Driving Accidents
    • Head-On Car Accidents
    • Rear-End Car Accidents
    • Driver Following Too Closely
    • Car Accident Lawyer in Atlanta, GA
    • Car Accident Lawyer in Macon, GA
    • Car Accident Lawyer in Columbus, GA
    • Why Do I Need a Lawyer for My Car Accident Case?
    • How Do I Pay for a Car Accident Lawyer?
  • Personal Injury
    • Car Accidents
    • Motorcycle Accidents
    • Slip-And-Fall Injuries
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    • Workplace Injuries
    • Defective Product Injuries
    • Wrongful Death
  • DUI Defense
    • 1st DUI Offense
    • 2nd DUI Offense
    • Drug DUI
    • What Should I Expect in the DUI Process?
    • How Does a DUI Affect Your Record?
    • Your Driver’s License After a DUI Arrest
    • Georgia DUI Lawyer
    • DUI Attorney in Atlanta, GA
    • DUI Attorney in Macon, GA
    • DUI Attorney in Columbus, GA
    • Criminal Defense
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Hospital Blood Tests in DUI Cases

Hospital Blood Tests in DUI Cases

Enzyme assay is the method used most commonly by hospital laboratories and the analysis is performed on serum or plasma samples, rarely on whole blood. The hospital serum or plasma ethanol test is used as a clinical screening test to determine if a patient has altered mental status due to ethanol, some other condition (such as closed head trauma), or a combination of ethanol and some other medical condition.

The Hospital Test Results Are Not as Reliable as Forensic Evidence for The Following Reasons:

  1. In a trauma setting, arterial samples are often drawn instead of venous samples;
  2. The sample does not have a complete chain of custody;
  3. The sample is serum or plasma, not the whole body;
  4. The sample is analyzed by enzyme assay, a method associated with a high frequency of false-positive results;
  5. The sample is usually analyzed once, not twice as required;
  6. The sample is not retained for subsequent re-analysis;
  7. Quality control measures are not usually in place to assure forensically reliable results; and
  8. The system allows for plus or minus 25 percent error, or a total error of 50 percent, well above the forensic standard of plus or minus 5 percent error.

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