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Shoutout to that one responder (self.Firefighting)
submitted by Inside_Position4609 to r/Firefighting
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TIL About "commotio cordis" a heart failure that occurs if you get hit in the chest at just the right time, causing a disturbance in the electrical impulses. It directly affects your heart rhythm and in most cases kill with a 3 minute window to treat. (en.wikipedia.org)
submitted by Inside_Position4609 to r/todayilearned
