Texas DWI Defense Attorney
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Collin County DWI Defense Lawyer

Factors That Affect the Tests Performed

There are multiple factors that can affect the outcome of field sobriety tests and breath or blood tests in conjunction with your Texas DWI arrest.

Experienced DWI defense lawyer Deandra M. Grant is here to help you if you need to challenge test results and fight your DWI charges. Attorney Grant offers a free consultation to discuss your case and represents clients throughout all of Collin County and Dallas County, Texas. She has completed extensive training on administering Standardized Field Sobriety Tests, on operating and maintaining the Intoxilyzer 5000 (breathalyzer machine), and on forensic blood and urine testing. All of this knowledge and experience makes her attuned to the problems that may occur during testing and how to challenge test results in court and at ALR hearings in order to protect her clients’ rights and interests.

Field Sobriety Testing

Field sobriety testing can be easily affected by any of a number of factors, including (but not limited to):

  • Traffic and road conditions
  • Very cold or very hot weather
  • Wind
  • Dust in your eyes
  • Age
  • Weight
  • Lack of sleep
  • Natural lack of coordination
  • Natural inability to duplicate instructions
  • Physical injuries (to the legs, inner ear, etc.)
  • Nervousness
  • The type of shoes you are wearing

Medical Conditions

Medical conditions can affect both field sobriety tests and blood tests or breath tests. There are numerous specific conditions which can affect the accuracy of chemical testing and the appropriateness of field sobriety testing:

  • Reflux disease / GERD
  • Diabetes
  • Epilepsy
  • Stomach surgeries
  • Prior head injuries
  • Use of inhaler
  • Unusual diets
  • Dentures
  • Vomiting
  • Smoking
  • Asthma or lung problems, inner ear problems

The difficult part will be proving this in court and using faulty testing as a way to lessen your charges or help you avoid a DWI conviction altogether. With her experience and dedication to her clients, Collin County DWI attorney Deandra Grant has what it takes to be successful.

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Main Office:
1700 Alma Drive, Suite 227   Plano, Texas 75075   Local: (972) 943-8500   Fax: (972) 943-8004

Dallas Office (by appointment only):
9603 White Rock Trail, Suite 131   Dallas, Texas 75238