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Don't aim at the chest (Image: ZUMA Wire Service/Alamy)

Being hit with a Taser stun gun in the chest can lead to cardiac arrest and death, according to a new study.

The research by Douglas Zipes, a heart specialist at the Krannert Institute of Cardiology in Indianapolis, Indiana, was based on records he acquired as a plaintiff's expert witness in a number of lawsuits involving US police use of the controversial stun gun. Zipes examined eight cases between 2006 and 2009 in which "previously clinically healthy males" aged between 16 and 48 lost consciousness during or after tasings, when one or both of the current-carrying darts were lodged "near or over the heart". Seven of them died.

In each case, Zipes analysed how long each shock lasted and cardiac responses measured by paramedics, when available (Circulation, DOI: 10.1161/circulationaha.112.097584). He found that 50,000-volt stuns to the chest can induce irregular heartbeats that lead to cardiac arrest.

The study will fuel opposition to the weapon, which Amnesty International says has now been associated with over 500 deaths in the US. The US National Institute of Justice recently posted videos advocating caution in the way police use Tasers and pointing out that they are not meant to be fired at the chest.

The weapon's maker, Taser International of Scottsdale, Arizona, is disputing Zipes's peer-reviewed findings, saying there are "key facts that contradict the role of the Taser device" in all eight cases.

As I know there are 4 methods of generating the high voltage.
Everybody knows these , so it's not a crime to explain these here.

1. pulse transformers. [ used in televisions ].
2. Voltage double method.
3. Joule Theft.
4. Spark Gap method. [Used in the Tesla coil , my neighbor uncle unfortunately have a one. That's why I
always call 911 when we was drunk and shouting].
5. Another pretty way is used in the camera flash, But I don't know precisely how it works.
Somebody could explain it.

This is the UoM Engineering punishing weapon right ? The joule theft. The acient Raggers vx. AntiRagger
combat marine forces !.

I don't know anything about these.

I found from a tech news site and posted here as I was ordered. (I consider that great person's requests as orders, Because he is close to me that much that's why )

So this is how this have been leaked :
http://www.lankacnews.com/sinhala/foreign-news/58959/

LankaCnews also coming after your news. Your friend too quick in that case.

He didn't say me a specific articles to post.

He said me to post technical articles. So I did, I found them online then I've posted.

i never know that Being hit with a Taser stun gun in the chest can lead to cardiac arrest and death is this really true?

I don't really know about a stun gun all I know is having a high voltage electrical current from the shock interrupts the tiny neurological impulses that travel through the whole body to control and direct voluntary muscle movement maybe this is the cause of a heart attacked if someone attacked of a stun gun.
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“A camping knife-wound heals, but a tongue wound festers.”