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What are the chances of surviving a lightning strike?

Only about 10% of people who are struck by lightning are killed, leaving 90% with various degrees of disability. More recently, in the last 10 years (2009-2018), the U.S. has averaged 27 lightning fatalities.



Surprisingly, the chances of surviving a lightning strike are quite high, with approximately 90% of victims surviving the experience. While lightning is an incredibly powerful discharge of electricity reaching temperatures hotter than the surface of the sun, most strikes are not "direct hits." Instead, people are often affected by "side flashes" (where lightning jumps from a nearby object), "ground current" (where the electricity travels through the earth to the person), or "conduction" (touching a metal object). The immediate danger of a strike is cardiac or respiratory arrest, as the massive electrical jolt can "short-circuit" the body's natural rhythms. However, if the victim receives immediate CPR or a shock from an AED, they can often be revived. While survival is likely, the long-term effects can be devastating and permanent. Survivors frequently suffer from chronic neurological issues, including memory loss, personality changes, nerve damage, and intense chronic pain. Many also experience "Lichtenberg figures," which are temporary, fern-like branching patterns on the skin caused by the rupture of capillaries. So, while you are likely to "survive," a lightning strike is a life-altering event that requires extensive medical and psychological rehabilitation.

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Roy Sullivan was born on Wednesday, Feb. 7, 1912, in Greene County, Va. Sullivan was a United States park ranger in Shenandoah National Park. Between 1942 and 1977, he was struck by lightning on seven occasions.

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Contrary to popular belief, metal does not inherently attract lightning. Instead, height, shape, and isolation are the dominant factors in determining where a lightning bolt strikes. The taller, more pointed, and isolated a structure, the more lightning will be attracted to it.

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