Nasreen Akhtar, Riasat Ali, Anam Iqbal, Arif Rashid Malik, Saman Ambreen.
Role of CSF Chloride ion in Estimation of Postmortem interval.
Pak J Med Health Sci Jan ;12(3):1109-11.

Aim: To find out the postmortem Chloride level in cerebrospinal fluid and to determine its correlation with the known postmortem interval (PMI). Study design: Observational study. Methods: Those Medicolegal autopsy cases conducted at the mortuary of Forensic Medicine Department, King Edward Medical University (KEMU), Lahore were included in which the exact time of death was given. A total number of consecutive 106 samples with known postmortem interval were taken from the cases brought to the mortuary. Unknown and putrefied dead bodies, Poisoning cases and Cases with head injuries were not included. Study was completed in 6 months . Results: The standard error and the R2 value of Chloride indicates that it is not better indicator of time since death as compared to the predicted from the levels of sodium and potassium individually. Conclusion: The results of this study indicated that the level of postmortem CSF chloride value is not useful in PMI estimation.

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