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Significant postmortem diffusion of ethanol: A case report.

Valentin Marti¹, Marc Augsburger², Christèle Widmer²

¹Unit of Forensic Pathology, University Centre of Legal Medicine Lausanne-Geneva, Geneva University Hospitals and University of Geneva, Rue Michel-Servet 1, CH-1211 Geneva, Switzerland.

Forensic Science International

|October 23, 2021

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Postmortem diffusion can alter ethanol distribution in the body, complicating blood alcohol level interpretation. This case highlights the need for careful toxicological analysis when initial blood and urine results are inconsistent.

Area of Science:

Forensic Pathology
Toxicology
Postmortem Analysis

Background:

Ethanol is a common xenobiotic in forensic pathology.
Accurate postmortem blood ethanol determination is crucial for assessing intoxication at the time of death, particularly in suspected suicide cases.
Postmortem artifacts, such as diffusion, can complicate ethanol blood level interpretation.

Observation:

A case presented with unusual ethanol distribution across different body compartments.
Initial blood and urine sample results appeared inconsistent.
Postmortem diffusion and redistribution were identified as contributing factors.

Findings:

Postmortem diffusion significantly alters ethanol distribution in the body after death.
Inconsistent toxicological findings necessitate a thorough investigation of ethanol redistribution.

Keywords:

Ability to act Artifact Case report Ethanol Postmortem diffusion

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Understanding these artifacts is key to accurate ethanol blood level interpretation.

Implications:

Accurate interpretation of ethanol blood levels requires awareness of postmortem diffusion and redistribution.
Complementary toxicological analyses are essential when initial results are inconsistent.
This case highlights the importance of comprehensive analysis in forensic toxicology to avoid misinterpretations.