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Related Experiment Videos

Ethanol level differential between postmortem blood and subdural hematoma

J E Riggs1, S S Schochet, J L Frost

  • 1Department of Neurology, West Virginia University School of Medicine, Morgantown, USA.

Military Medicine
|October 31, 1998
PubMed
Summary
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Ethanol in subdural hematomas can reveal alcohol consumption after injury. A case study shows a significant ethanol difference between blood and hematoma, indicating post-hospitalization drinking.

Area of Science:

  • Forensic toxicology
  • Trauma research
  • Neuropathology

Background:

  • Alcohol use is a leading cause of accidental injury and death.
  • Postmortem ethanol levels in blood can be unreliable indicators of alcohol intoxication at the time of injury, especially if death occurs hours later.
  • Ethanol analysis in sequestered body fluids, such as hematomas, offers a potential method for retrospective alcohol assessment.

Observation:

  • A 69-year-old male sustained injuries from a fall, including two lacerations and a large acute subdural hematoma.
  • The patient received emergency department treatment for his injuries 8 to 12 hours prior to death.
  • Postmortem blood ethanol concentration was 0.07%, while ethanol concentration within the subdural hematoma was 0.04%.

Findings:

  • A differential ethanol concentration was observed between postmortem blood and subdural hematoma.

Related Experiment Videos

  • The higher ethanol level in postmortem blood compared to the subdural hematoma suggests alcohol consumption occurred after the patient's hospital release.
  • This case highlights the utility of analyzing ethanol in subdural hematomas for retrospective alcohol determination.

    • Implications:

    • Ethanol analysis in subdural hematomas can be a valuable tool in forensic investigations to determine alcohol's contribution to injury or death.
    • This method may help clarify alcohol consumption patterns in cases with delayed death or low postmortem blood ethanol levels.
    • Further research into the stability and interpretation of ethanol in hematomas is warranted for broader forensic application.