If it’s possible to restart a heart, why can’t they do it every single time?

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So if a heart stops you can massage, pump or shock it back to life, and surgeons even stop a heart on purpose before firing it back up, so why can’t they do that 100 percent of the time? What is it that makes a heart stop and never come back? If the brain is working then surely the heart should always come back?

In: Biology

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Anonymous 0 Comments

To add on, the heart is also an organ made of cells that require oxygen. Using electrical stimulation with a defibrillator can help if the normal electrical rhythm of the heart is disrupted, but if the cells themselves die (for example, excessive plaque buildup or formation of scar tissue) it’s not going to help.

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