Eli5: Why do injuries not look severe until you’re in the hospital.

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It seems like in movies and real life injuries are manageable until you get into a hospital

For example the movie lone survivor: he got shot in multiple areas and fell down a cliff. He could still move and shoot. However once he was picked up he was in even worse condition

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4 Answers

Anonymous 0 Comments

So in real life there isn’t quite “till we get to the hospital” but there is certainly real delays in injury experiences. The classic one is a broken bone. The person breaks their arm, and instead of screaming, they just kind of stare at it, and don’t seem hurt, can even talk to you and say “i’m fine”. After a few moments they’re in excruciating pain and often screaming/crying. That delay is from something in the nervous system called a “refractory period”. Basically, the pain receptors in the arm get overloaded because they’re all getting super big pain signals at once. All nerves have refractory periods, basically a set period of time where they have to reset in order to keep communicating. Even though the refractory period is normally pretty short, adrenaline can kick in and numb more of the pain and give a burst of energy that may last until the person gets to a hospital. (anyone can correct me if i’m wrong lol. i just pulled this off the top of my head from studying for the mcat a year ago).

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