Most of what we learn about gunshot wounds, we learn from watching television. Most of that is wrong. (From 2015)
Lavery wasn’t only the most physically imposing Green Beret on our team, he was the most physically imposing soldier any of us had ever seen. He was 6′5″, approaching 280 pounds, and cut like a linebacker—the position at which he excelled, not coincidentally, as a college football player at the University of Massachusetts Lowell. He was a weapons specialist, and an expert in hand-to-hand combatives.
Lavery sustained his wounds at close range, the fateful round fired from a Soviet-designed PKM 7.62 mm machine gun. Lavery had quickly positioned himself between the shooter and a younger American infantryman, an instinctive decision for which he would receive the Silver Star. “I have no doubt that he saved my life," the infantryman said later in a sworn statement. Nick seemed indestructible.
The human body does possess certain defense mechanisms in the event of rapid blood loss. The vascular system will “shunt” blood from the extremities into the core to maintain perfusion to vital organs, but that’s really only effective once the hole gets plugged. Sudden amputations, in particular, will cause the surrounding musculature to tense and contract. A complete amputation doesn’t look like the busted fire hydrants in—instead, it may take minutes or hours before they bleed heavily.
So, what can bystanders do when confronted with gun violence? First, if possible, stop the bleeding. Swelling and discoloration are signs of hemorrhaging anyone can recognize. Researchers studying American war zones have attributed 90 percent of preventable deaths to uncontrolled bleeding, and ordinary soldiers aren’t exclusively capable of managing blood loss.
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