c. Decrease in body temperature (algor mortis)Decrease
in body temperature due to heat transfer process from an object to a
cooler, through radiation, conduction, evaporation and convection.Decrease in body temperature chart is almost shaped sigmoid curve or the letter S. Speed is affected by the temperature drop in temperature around, flow, and humidity, body shape, posture, and clothing. In addition please note the temperature at death for the computation time of death. Decrease
in body temperature will rapidly at temperatures around the low, airy
environment with low humidity, a thin body, the supine position, not
dressed, or dressed in thin, and generally in the elderly and young
children.Various
formulas of temperature decrease rate post dead body was found as a
result of research in western countries, but it was difficult to use in
practice because of factors - factors that influence the above is
different in each case, the location, weather, and climate.Current
research - these days tend to estimate the time to death via
measurement of body temperature in the neighborhood who lived in the
Place of incident events (the scene). The trick is to make the determination of rectal temperature 4-5 times with the same interval of time (at least 15 minutes). Ambient
temperature is measured and assumed to be constant, because of factors -
environmental factors are considered sedentary, while the temperature
at 370C is considered dead when there is no fever. Research shows that changes in ambient temperature less than 20C did not result in significant changes. Drai number - a number above, by using a formula or graph can be defined as dead time between the time checks. Currently available computer program for calculation of time off in this way.
d. Decay (Decomposition, Putrefaction)Decay is the process of tissue degradation that occurs due to autolysis or bacterial work. Autolysis is the softening and melting of tissue that occurs in a sterile condition. Work arising from autolysis by digestive enzymes secreted by the cells post-death and can only be prevented by freezing tissue.After someone dies, the bacteria that live in the body normmal immediately get into the network. Blood is the best medium for bacteria to grow. Most of the bacteria from the gut and most of Clostridium welchii. In the process of decay was formed gas - gaseous alkanes, H2S and HCN as well as amino acids and fatty acids.The new look of decay about - some 24 hours post-death form a greenish color on the lower right abdomen, the cecum area whose content is more fluid and full of bacteria and is located close to the abdominal wall. This greenish color is caused by the formation of Sulf-met-Hb. In bartahap greenish color will be spread throughout the abdomen and chest, and began to smell the smell busukpun. Skin blood vessels dilate and it will look like blackish green. Furthermore epidermis will peel off and form a fluid-filled bubbles smelling rosy.Gas formation in the body, begins in the stomach and intestines, the stomach will lead to tension discharge and redness of the mouth and nose. Gas contained in body tissues resulting in creak palpable (crepitus). This gas causes swelling of the whole body, but tensions are greatest in areas with loose networks, such as the scrotum, and breasts. Body is in a position such as a boxer (pugilistic attitude), the second arm and leg flexion in stance and a half due to gas accumulation in the joint cavity decay.Furthermore, the hair easily removed, and easy peeling nails, facial mengembung and greenish purple, swollen eyelids, chubby cheeks, thick lips, tongue membengka, and often protruding between the teeth. Such a situation is very different from the real face of the victim, so it can not be recognized again by the family. Rodents would destroy the bodies in a few hours post-death, especially when the bodies left lying in the grass. Injuries caused by the bite of a typical rodent holes - a shallow hole with jagged edgesFly larvae will be found after the formation of a real gas decomposition, ie mkira - about 36-48 hours post-death, medial eye, eye corners, nostrils and between the lips. Fly eggs will then hatch into larvae within 24 hours. With the identification of species of flies and measuring the length of the larvae, it is known that the age of the larvae, which can be used to estimate time of death, assuming that the flies typically lay eggs immediately after someone has died (and no longer able to drive away the flies that settle).Tool in the body will decay at different rates. The color change will occur in the stomach, especially the fundus, the intestines become brownish purple. Airway mucosa becomes red, the blood due to hemolysis. Diffusion of bile from the gallbladder resulting in a greenish brown color in the surrounding tissue. Softening of the brain, the liver becomes beronggga like a sponge, spleen softened and easily torn. Then the tool will shrink. Prostate and uterine gravity is a non-solid organ longest to changes in decay.Decomposition will occur more rapidly when the temperature around the optimum (26.50 C hinggga about normal body temperature), air humidity is sufficient, many bacterial decay, body fat or has an infection, and sepsis. Media where the bodies are also berparan. Bodies contained in the air will decompose faster than those contained in the water or tanah.Perbandingan speed decomposition of a body found in the soil: water: the air is 1:2:8. Newborns generally slower decay, because only a few bacteria in the body and the rapid loss of body heat in infants will inhibit bacterial growth.
d. Decay (Decomposition, Putrefaction)Decay is the process of tissue degradation that occurs due to autolysis or bacterial work. Autolysis is the softening and melting of tissue that occurs in a sterile condition. Work arising from autolysis by digestive enzymes secreted by the cells post-death and can only be prevented by freezing tissue.After someone dies, the bacteria that live in the body normmal immediately get into the network. Blood is the best medium for bacteria to grow. Most of the bacteria from the gut and most of Clostridium welchii. In the process of decay was formed gas - gaseous alkanes, H2S and HCN as well as amino acids and fatty acids.The new look of decay about - some 24 hours post-death form a greenish color on the lower right abdomen, the cecum area whose content is more fluid and full of bacteria and is located close to the abdominal wall. This greenish color is caused by the formation of Sulf-met-Hb. In bartahap greenish color will be spread throughout the abdomen and chest, and began to smell the smell busukpun. Skin blood vessels dilate and it will look like blackish green. Furthermore epidermis will peel off and form a fluid-filled bubbles smelling rosy.Gas formation in the body, begins in the stomach and intestines, the stomach will lead to tension discharge and redness of the mouth and nose. Gas contained in body tissues resulting in creak palpable (crepitus). This gas causes swelling of the whole body, but tensions are greatest in areas with loose networks, such as the scrotum, and breasts. Body is in a position such as a boxer (pugilistic attitude), the second arm and leg flexion in stance and a half due to gas accumulation in the joint cavity decay.Furthermore, the hair easily removed, and easy peeling nails, facial mengembung and greenish purple, swollen eyelids, chubby cheeks, thick lips, tongue membengka, and often protruding between the teeth. Such a situation is very different from the real face of the victim, so it can not be recognized again by the family. Rodents would destroy the bodies in a few hours post-death, especially when the bodies left lying in the grass. Injuries caused by the bite of a typical rodent holes - a shallow hole with jagged edgesFly larvae will be found after the formation of a real gas decomposition, ie mkira - about 36-48 hours post-death, medial eye, eye corners, nostrils and between the lips. Fly eggs will then hatch into larvae within 24 hours. With the identification of species of flies and measuring the length of the larvae, it is known that the age of the larvae, which can be used to estimate time of death, assuming that the flies typically lay eggs immediately after someone has died (and no longer able to drive away the flies that settle).Tool in the body will decay at different rates. The color change will occur in the stomach, especially the fundus, the intestines become brownish purple. Airway mucosa becomes red, the blood due to hemolysis. Diffusion of bile from the gallbladder resulting in a greenish brown color in the surrounding tissue. Softening of the brain, the liver becomes beronggga like a sponge, spleen softened and easily torn. Then the tool will shrink. Prostate and uterine gravity is a non-solid organ longest to changes in decay.Decomposition will occur more rapidly when the temperature around the optimum (26.50 C hinggga about normal body temperature), air humidity is sufficient, many bacterial decay, body fat or has an infection, and sepsis. Media where the bodies are also berparan. Bodies contained in the air will decompose faster than those contained in the water or tanah.Perbandingan speed decomposition of a body found in the soil: water: the air is 1:2:8. Newborns generally slower decay, because only a few bacteria in the body and the rapid loss of body heat in infants will inhibit bacterial growth.
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