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Questions tagged [electricity]

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8 votes
2 answers

How is adding up action potentials equivalent to measuring the direction of depolarization vectors?

An ECG of the heart measured from lead II looks like this: I have seen two ways of arriving at this image, the first is by considering the depolarization and the repolarization vectors and their ...
Cosmic Dust's user avatar
7 votes
2 answers

Low voltage exposure

I know that there is a lot of information regarding the dangers of life-threatening levels of electricity, but I have not seen much about the dangers of low voltages of electricity. For example, I ...
Sy_UK's user avatar
  • 71
5 votes
1 answer

How does lightning damage the body?

What are the physiological results of being hit by lightning? I guess this can be extended to other kinds of strong but short electric shock. Does the path of the lightning get "cooked"? What is ...
rumtscho's user avatar
  • 2,793
4 votes
1 answer

Can constant exposure to static electricity affect the nervous system in any way? [closed]

As titled, can holding a constant static charge affect the CNS? If so, is it detrimental? What are the short/long term effects, if any?
user avatar
2 votes
2 answers

Are defibrillator leads actually clashed against each other?

In movies or television, the doctor gets giant heavy clothing iron sized leads. Clashes them together and uses them on the patient that has a flat lined heart and after doing it 1 times per second ...
Delta Oscar Uniform's user avatar
2 votes
1 answer

Do seizures result from an excess of electrical current or electrical voltage in the brain?

It is well known that seizures result when the brain encounters more electrical activity than it is able to handle. Is the primary cause related to an excess of electrical current, electrical voltage, ...
Robert Columbia's user avatar
2 votes
1 answer

Does electrical exposure build human resilience?

So I stumbled on this website about shocking electrical superheroes and I was wondering if a shock was administered every day to a young person, would their heart slowly give out, or would they become ...
nelomad's user avatar
  • 647
1 vote
1 answer

Possible side effects of TENS [closed]

I would appreciate your time, and opinion if you are knowledgeable on the workings of a TENS machine. Two years ago, I engaged in a practice called erotic electro stimulation where men/and women use ...
Elbert Vaughn's user avatar
1 vote
0 answers

Can neuromuscular electrical stimulation be used as a low-cost alternative to mechanical breathing

It is speculated that because of COVID-19 pandemic there may be shortage of intensive care equipment (mechanical breathers) causing deaths. Though IDK what is so costly in these mechanical breathers ...
KOLANICH's user avatar
  • 111
1 vote
0 answers

What is the significance of the right lower node in a 12-lead electrocardiogram placement?

Given this EKG limb leads image, I noticed that the function of the right leg node in a 12-lead ecg/ekg is missing. In an actual placement I know this is present. So I need to ask, what is the ...
Van's user avatar
  • 11