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13 - Asphyxia Part2 - S trangling Refers to neck...

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Strangling Refers to neck compression where the instrument used is not tightened passively by the weight of the body , but actively either by hand or by another object . The cause of death : it caused by a combination of ischemia (by compression on carotid art) and obstruction of breathing (by compression of the trachea or the larynx)
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Strangling Cont… The signs of congestion in the skin and the mucous membrane of the face are often more marked than in hanging . This because the quicker and more compeletly the respiratory passages or blood vessels are obstructed the less suffocation specific finding can be expected to found. As a rule the mark causing by strangling has an even depth and runs around the neck in complete circle including the posterior aspect of the neck.
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Strangling Cont… The fractures more frequently of the larynx skeleton and less frequent to hyoid bone compared with hanging. Removal of the ligature still leaves behind a “Tide mark” with pallor below and congestion above. Autopsy : typically reveals hemorrhagic edema of the lungs and an increased amount of secretion in the trachea .
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Throttling : definition- throttling refer to the compression of the neck with one or both hand The sign of congestion are often extreme Typically but not always strangulation marks are found caused by imprint of the finger tip exerting pressure
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