Which one of the following biological fluids is NOT studied for estimating post-mortem interval? (AIPG 2011)
Vitreous humor, CSF and Blood are used for studying post-mortem interval but not urine.
i. ↑in K, P, Mg, NPN, amino-acid N, NH3, lactic acid, bilirubin, Enzymes- acid PO4ase, amylase, SGOT, lactic dehydrogenase.
ii. ↓in Na & Cl.
i. temperature dependant changes.
ii. In adults after 15 yrs.
• ↑in lactic acid, NPN, amino-acids- in first 15 hrs of death, ↑also in K, NH3, creatine, uric acid, xanthine, GOT.
• ↓in Glucose, Urea.
iii. No change in- Creatinine & Urea.
c. Vitreous humor-
i. ↑in K, lactic acid.
ii. ↓in Na, Glucose, Pyruvic acid.