Vitreous Humour Potassium
Definition
Potassium concentration in the eye's vitreous fluid rises linearly with PMI and is one of the more reliable chemical PMI markers up to about 100 hours.
Related terms
- Algor Mortis
- Postmortem cooling of the body toward ambient temperature, approximately 1-1.5 degrees Celsius per hour under average conditions. Used alongside other postmortem changes...
- Henssge Nomogram
- A graphical method using rectal temperature, ambient temperature and body weight to estimate PMI within a 95 percent confidence interval, with correction...
- Livor Mortis
- Postmortem pooling of blood in dependent tissues producing a purple-red discolouration. Becomes fixed at roughly 8-12 hours; discordance between liver position and...
- Post-Mortem Interval (PMI)
- The time elapsed between death and discovery or examination of remains. PMI estimation draws on multiple disciplines: soft tissue decomposition stage, insect...
- Rigor Mortis
- The post-mortem stiffening of muscle from ATP depletion and actin-myosin cross-linking. Develops over hours, peaks, and resolves with putrefaction.
Explained in
- Time Since Death: PMI, Henssge Nomogram, Tropical CorrectionPotassium concentration in the eye's vitreous fluid rises linearly with PMI and is one of the more reliable chemical PMI markers up to about 100 hours.