• Bullets from a variety of guns.
• Transmission of kinetic energy to tissue; force equals 1/2 the product of mass and velocity squared.
• Injury depends on how much force is applied over how much area to what kind of tissue.
• Energy from the bullet will be spread along its path, not just at the entry point
• Epidemic problem in the U.S. with >30,000 deaths/annum
• Particular problem in children (accidental deaths) and young adults (homicide)
• Course dependent on size of vessel
lacerated, other injuries, and the speed at which help is obtained.
• Lung heals well if kept expanded.
|General Gross Description|
• Entrance wound characteristically small and round if no deflection by
• Disruption of the tissue with hemorrhage.
• Exit wounds much larger with more ragged edges.
|General Micro Description|
• Disruption of
• Intralveolar hemorrhage
• Cotran RS, Kumar V, Robbins SL. Robbins Pathologic Basis of Disease. 5th edition. W.B. Saunders; Philadelphia. 1994. p. 399.
• Pathology, 2nd edition: Rubin E, Farber JL (eds). Philadelphia, J.B. Lippincott, 1994, pp. 318-319.