Pathology 4500B Lecture Notes - Lecture 10: Forensic Pathology, Iatrogenesis, Side Collision

• School: Western University
• Department: Pathology
• Course: Pathology 4500B
• Professor: Ted Tweedie

Document Summary

Blunt trauma: blunt surface, anatomic integrity altered. Impact to or by body (tension, compression, shear) Picture: pulverized liver; tears and lacerations: despite severe injury, the skin may have minimal injury, ribs may not be injured or fractured, liver soft internally, surrounded by thin capsule, vulnerable to tension. Picture: aortic isthmus: point of fixation to spinal column, aorta torn due to severe shear stress. Irregular edges: tissue bridging, undermining (shelf of tissue under, deformity (fracture, seen externally, e. g. Big laceration above big blood eye; a lot of blood in bathroom: alcoholic man; intoxicated due to alcohol, liver cirrhosis did not produce clotting factors. Indicates person was upright when hit by vehicle: actual contact point may not be apparent, e. g. Important to collect clothing in hit-and-run (treadmarks linked to vehicle: amputation, tearing of skin, large laceration, ground-down bones. Safety: seatbelts, prevents ejection and keeps occupant in place, need to be worn properly (over pelvis, becomes loaded during crash;