The Use of Trachea Temperature as a Means of Determining the Post-Mortem Period

1986 ◽  
Vol 26 (3) ◽  
pp. 199-202 ◽  
Author(s):  
L. D. M. Nokes ◽  
B. Hicks ◽  
B. Knight
Keyword(s):  
Mathematical Model ◽  
Body Temperature ◽  
Initial Temperature ◽  
Time Of Death ◽  
Cooling Curves ◽  
Post Mortem ◽  
Simple Mathematical Model ◽  
Temperature Plateau ◽  
Initial Results ◽  
Lack Of Knowledge

Presented in this paper are the initial results involving the use of trachea temperatures as a means of determining the post-mortem period. A simple mathematical model is developed based on the cooling curves of five corpses. Errors between actual and calculated post-mortem periods may be due to an initial temperature plateau or lack of knowledge of body temperature at time of death.

scholarly journals Determination of the time of death of dogs using atropine and pilocarpine in the early post-mortem period – an assessment of the usefulness of the method

2021 ◽  
Vol 77 (07) ◽  
pp. 6546-2021
Author(s):  
KINGA PANASIUK-FLAK ◽  
MAŁGORZATA GRELA ◽  
PIOTR LISTOS
Keyword(s):  
Body Weight ◽  
Body Temperature ◽  
Pupil Diameter ◽  
Time Of Death ◽  
Post Mortem ◽  
Research Material

To determine the time of death in the early post-mortem period, i.e. up to a few hours or a few days, methods involving measurement of body temperature and observations of supravital reactions are used. One of the most promising methods is measurement of the reactivity of the pupil under the influence of substances such as those used in this study, atropine and pilocarpine. The research material was two groups of dogs, one with body weight over 40 kg and another under 10 kg, whose time of death was known. At 30, 60, 90, 120 and 180 minutes post-mortem, atropine or pilocarpine drops were placed in the conjunctival sac and the change in pupil diameter was measured. The study clearly showed that the method is useful in forensic estimation of the time of death of an animal. In order to verify the reliability of the method, there is a need for further study.

scholarly journals An Entomological Model for Estimating the Post-Mortem Interval

2021 ◽  
Vol 3 (2) ◽  
pp. 148-156
Author(s):  
Vania Mene Risriani ◽  
Tjandra Anggraeni ◽  
Nuning Nuraini
Keyword(s):  
Experimental Data ◽  
Mathematical Model ◽  
Carrying Capacity ◽  
Logistic Model ◽  
Main Question ◽  
Time Of Death ◽  
Post Mortem ◽  
Dead Body ◽  
Local Factors ◽  
Post Mortem Interval

Identification of post-mortem interval started from the time when the dead body was found. The main question is to identify the time of death. In reality, the task is complicated since many local factors are involved in the process of decomposition. In most cases, the decomposition process is done by certain local insects that consume the biomass completely. This study uses a mathematical model for the post-mortem interval involving diptera and rabbit corpses as the biomass, based on experimental data from references. We formulate a type of logistic model with decaying carrying capacity only with diptera. The post-mortem interval is shown as the end period of consumption when larvae have entirely consumed the biomass. It is shown from the simulation that the decomposition lasts for 235 hours. The diptera are shown to disappear completely, leaving the remaining corpse after 120 hours.

RIGOR MORTIS: PHYSIOLOGY

2021 ◽  
Vol 6 ◽  
Author(s):  
Heron Teixeira
Keyword(s):  
Body Weight ◽  
Causes Of Death ◽  
Natural Course ◽  
Important Task ◽  
Time Of Death ◽  
Post Mortem ◽  
Rigor Mortis ◽  
Intrinsic Factors ◽  
The Subject ◽  
Extrinsic And Intrinsic Factors

Introduction: Estimating the time of death is an important task in day-to-day forensic work and many factors for its designation are understood, one of which is rigor mortis. They can be altered by extrinsic and intrinsic factors, such as temperature location, humidity, heat, age, sex, length and body weight, and can be used as a parameter for approximate identification of the time of death. Objective: To carry out a brief review on the topic in order to promote a better understanding of the subject addressed and fully understand its physiology. Materials and Methods: Pubmed, Scielo and Medline databases were searched without date restrictions for articles published in English and Portuguese using the descriptors rigor mortis, autolysis and changes after death. Results: The theme presents consolidated researches regarding its natural course, being an important tool to estimate the time of death along other signs that appear after death, as well as to estimate some causes of death. Conclusion: Understanding the development of rigor mortis, helps to identify and distinguish processes that may have led to death and the post-mortem time.

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