FORENSIC MEDICAL CRITERIA OF DIFFERENTIAL DIAGNOSIS OF ALCOHOL AND CARBON MONOXIDE POISONING BY USING AZIMUTHAL-INVARIANT POLARIZATION MUELLER-MATRIX MICROSCOPY
Keywords:differentiation, carbon monoxide poisoning, alcohol poisoning, polarization, laser polarimetry
Introduction: Fatal intoxications with alcohol and carbon monoxide are the most common causes of poisoning that occur in forensic medical practice. Therefore, the differential diagnosis of these intoxications is extremely important. To solve this problem, we propose the use of the method of azimuthal-invariant polarization Mueller-matrix microscopy of histological sections of biological tissues (BT).
Objectives: The purpose of the study was to establish statistically significant criteria for differentiation of the cause of death in case of alcohol poisoning (AP) and carbon monoxide poisoning (CMP) by using azimuthal-invariant polarization Mueller-matrix microscopy of polycrystalline fractions of histological sections of organs and blood films of the human body.
Results: A number of characteristic features have been identified that have not been previously described and allow to objectively differentiate the cause of death in the case of AP and CMP, namely Ek – 0.95±0.045 and 1.81±0.092 in the study of histological sections of the myocardium; Ek – 0,19±0,011 and 1,11±0,094 – polycrystalline blood films. Analysis of the obtained data revealed a good level of accuracy in the study of histological sections of the myocardium (As 85%) and polycrystalline blood films (As 88%).
Conclusion: Thus, developed and tested method of azimuthal-invariant polarization Mueller-matrix microscopy allows to differentiate the cause of death in cases of AP and CMP.
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