Why Do Doctors Hesitate To Increase Voltage While Applying Electroshock to the Heart?

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I guess I’m talking about defibrillation. Is it just the movies, or is it how defibrillation actually works in real life ?

I mean, you are trying to revive someone, trying to bring them back to life. What’s the worse thing that can happen ? Why do they start from low voltages and increase it slowly, and get more and more anxious and dramatic every time they say “Go up to 350” or whatever.

I mean, the person is already dead. What’s the risk ? Why do they act so hesitant ? What’s there to lose ?

In: Biology

10 Answers

Anonymous 0 Comments

I am not sure if they actually pump the voltage higher though from a laymans perspective it would make sense, that higher energy could help. But probably they will not start very low and also try to not defibrillate too often as the chance for it to work sinks rapidly if it doesn’t work on the first try.
People who are defibrillated are not dead though, they have ventricular fibrillation or other kinds of abnormal heart rhythms and the defibrillator can help to stop that. If somebody is dead or their heart just doesn’t do anything, defibrillation will not help.

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