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[-] yesman@lemmy.world 22 points 6 hours ago

FYI: Defibrillators don't start the heart, they stop it.

The heart doesn't stop in many heart attacks. Instead it just beats erratically and in a way that doesn't pump blood well. Shocking the heart to stop it (what a defib does) causes the nerve cells to "reboot" and start beating regularly again.

Shocking a victim who's heart has stopped is useless and automatic defibrillators won't go off until they've detected the arrhythmia.

[-] Ultraviolet@lemmy.world 4 points 2 hours ago

It's essentially the "have you tried turning it off and back on again" of cardiology.

[-] DarkDarkHouse@lemmy.sdf.org 14 points 3 hours ago

Hearty restarty

[-] wurstgulasch3000@lemmy.world 8 points 3 hours ago

I blame House MD for this common misconception

[-] angrystego@lemmy.world 3 points 4 hours ago

Yes, thank you, I'm glad you mentioned it here, it doesn't happen often enough. I mean, it's even in the name, right? Defibrillator gets rid of fibrillation - the erratic beating!

[-] sudo@lemmy.today 2 points 4 hours ago

And hippos aren't buoyant.

this post was submitted on 20 Sep 2024
619 points (96.8% liked)

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