From Newsgroup: sci.electronics.misc

In article <4e50d598-b09d-47e8-9dff-6826bb132a78@googlegroups.com>, rdelaney2001@gmail.com says...

How does a defibrillator work, what's inside?
And how does it affect the body, ameliorate a heart attack?

OUside of the electronics that prevent it from discharging into a
working heart, it is just a large capacitor . You hear on the TV shows
the doctor calling out 'Charging 200' or Charging 400. That is the
ammount of power the capacitor is charged to . The heart will often go
into fiberlation which mostly means it is not contracting and letting
loose in a normal manner but just randomly viberating. The Capacitor discharge clamps the heart mussel and lets it restart in a normal beat
if it works.

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