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[–] Dancing_Queen ago 

Are they actually trying to restart the heart with CPR of just pumping blood and oxygen throughout the body/brain until they can get defib’d or paramedics show up?

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[–] blahblahgafsucks ago  (edited ago)

Yeah it's the latter. CPR can restart the heart but it's rare. It's more that you're just forcefully pumping oxygenated blood through the body and to the brain by smashing the fuck out of the person's chest cavity. Given its low success rate, most of the time that just means you're pummeling on a corpse for a while.