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[Method of corpses' tissues impedance study].

O S Lavrukova¹, E L Kazakova¹

¹Petrozavodsk State University, Petrozavodsk, Russia.

Sudebno-Meditsinskaia Ekspertiza

|June 18, 2025

Summary

This study details a method for measuring tissue impedance in human and pig corpses over time. Using model organisms standardizes data for accurate postmortem impedance analysis.

Area of Science:

Forensic Science
Biophysics

Context:

Assessing postmortem changes is crucial in forensic investigations.
Tissue impedance is a potential indicator of the postmortem interval.
Standardized methods are needed for reliable impedance measurements.

Purpose:

To describe a novel method for studying tissue impedance in corpses.
To establish a standardized approach using model organisms (pigs) for impedance analysis.
To accurately record tissue impedance dynamics over extended postmortem periods.

Summary:

The study outlines a method for measuring the impedance of various tissues (skin, cartilage, tendon) in human and pig corpses.
Utilizing pigs as model objects allows for standardization of factors like age and postmortem interval.

Keywords:

corpse impedance method tissues

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This method enables more accurate tracking of tissue impedance changes over long postmortem durations.

Impact:

Enhances the accuracy of determining the postmortem interval.
Provides a standardized, reproducible method for forensic impedance studies.
Expands the database of impedance indicators for statistical analysis in forensic science.