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5 Cards in this Set
- Front
- Back
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Define low velocity vs. high velocity gunshot wounds?
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Low velocity - <2,000 ft/sec. All handguns.
High velocity - >2,000 ft/sec. Most rifles. |
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Kinetic energy?
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KE = .5mv^2
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Tissue damage from a projectile?
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1. Permanent cavity
2. Temporary cavity (cone of cavitation). Proportional to velocity of projectile, tissue composition (liquid vs. air). |
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Treatment of gun shot wounds?
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Low velocity:
1. abx + tetanus toxoid + antitoxin 2. I&D in ED 3. set any fractures 4. f/u in outpatient clinic. High velocity: 1. abx + tetanus toxoid + antitoxin 2. I&D in OR 3. set any fractures 4. delayed wound closure |
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Lead poisoning in GSW?
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Synovial fluid and CSF are caustic to the lead in projectiles.
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