Summary ANT3520-Sharp Force Trauma

ANT3520-Sharp Force Trauma|ANT3520-Sharp Force Trauma Sharp Force Trauma Study Guide - Sharp force trauma: Cutting - Blunt force trauma: Crushing - How to document sharp force trauma: o Photograph the injury from multiple angles o Describe the injury in reports o Measure the injury - Deaths caused by sharp force trauma are less common than those due to other external factors. - The most common manner of death associates with sharp force trauma is homicide, followed by suicide. - Essentially blunt force trauma over a very narrow area. - Main defect in bone is produced by physical interruption of the bone by a foreign object. - Can also produce tension/compression fractures. - These are also found in blunt force trauma. - How to generally describe sharp force trauma. o Linear: straight injuries o Curvilinear: party rounded injuries o Angles: the ends of the injuries o Margins: the sides of the injuries. - Note: these injuries are sometimes referred to as lacerations in some literatures. o This is incorrect o Lacerations are caused by blunt force trauma. - May produce: o Incisions ▪ Length>depth • V shaped cross section ▪ One side is generally lifted relative to the other. ▪ Vary with type of blade, force applied, and track of weapon as it moves across tissue. • Means different cuts can sometimes be made with the same weapon. o Puncture/stabbing wounds ▪ Depth>length ▪ Caused by a sharp-ended instrument being thrust into tissue. ▪ May provide information about width, depth, cross-sectional shape of instrument. o Chopping/hacking injuries