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Original Research

Natl J Med Res. 2016; 6(3): 255-258

A Study to Evaluate of Time Since Death From Potassium Level of Vitreous Humour

Umang P Patel, Jigneshkumar Patel, Pranav Prajapati, Ganesh Govekar.


Introduction: Estimation of time since death plays a crucial roles in law enforcement agencies in most of the unnatural deaths. Estimation of post-mortem interval from changes of potassium level in vitreous humour is more diagnostic tool for forensic field. Material & methods: We prospectively studied 200 cases having known time since death for the present study at the Dept. of Forensic Medicine & Toxicology, Govt. Medical College, Surat in the year of 2015-2016. Level of potassium in vitreous humor in all subject were analysed in Bio-chemistry laboratory on the same day and various statistical tests performed. Observation: In this study age of the subjects were mostly from 26-35 years and predominantly male gender. Samples collected for this study were from 12-24 hours of post mortem interval with linear rise of potassium level in both eyes. Conclusion: Time since death was more accurately calculated with the help of potassium concentration of vitreous humour.

Key words: Post mortem interval, Potassium, vitreous humour, P value

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