Virtual Hearts and GPU Minds

August 19, 2011 -

Researchers at the Victor Chang Cardiac Research Institute in Sydney, Australia, are building a virtual heart to study the fatal effects that electrical disturbances can have on patients. This virtual heart, a real-time computer simulator, will allow medical researchers to study how structural changes to the body's most vital organ can interfere with its beating.

Eventually, the team hopes to develop personalized virtual hearts, allowing doctors to use a computer model of an individual's own heart to test treatments - before conducting the procedure on their patients in the real world. The leader of the project, cardiovascular researcher Adam Hill, said one of the main goals of the simulator is to provide a way for doctors to predict which patients may experience an electrical disturbance to their heart, or arrhythmia.

"If we can pick out patterns from simulations and try and understand why and when they occur, that could lead to much better prediction of who it is going to happen to," Dr Hill said.

For a simulator to be useful it must work as close to real-time as possible, so researchers had to come up with an effective way to compute billions of equations every few microseconds. While computer models of the heart have been built in the past, most have proven to be slow and ineffective, and not able to compute information fast enough. To overcome this problem, researchers turned to the technology used in graphics processing units - the same technology used to process the cutting edge 3-D graphics found in video games. The ability to link these processors together was also a boon to researchers.

Researchers also used a magnetic resonance image (MRI) of the heart to map its basic structure and geography onto a computer.

"From MRI you get details of scar regions, so we can map those onto our simulations and see how electrical patterns and structural alterations interact to cause an arrhythmia," he said.

Eventually, the team hopes to create personal virtual hearts based on a patient's own MRI scan to better diagnose and treat their conditions. Jamie Vandenberg, the deputy director of the institute, pointed out that being able to predict who may experience an arrhythmia, which causes about 15 percent of all deaths annually, would be a significant advance in medicine.

Source: Sydney Morning Herald


 
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Matthew Wilsonif they were serious, they would go to youtube. most youtube game reviewers tend to revew games as product, and tend leave social issues out of it.10/25/2014 - 1:42pm
quiknkoldif the gamergaters were serious, they'd realize that Kotaku and Polygon arent the only games in town, and that with the freedom of the internet, they could create their own websites and achieve the goals they are trying to achieve without arguement.10/25/2014 - 1:35pm
james_fudgehe should have called the police.10/25/2014 - 1:20pm
TechnogeekAt least my statement still holds if it does turn out to be a false flag.10/25/2014 - 1:03pm
NeenekoThough I admit, since doxxing and false flag where heavily used tactics of the GG supporters, while they are not historical tactics used by detractors, I am skeptical how much it is really 'both sides' doing it in any real volume.10/25/2014 - 1:01pm
NeenekoOne thing that makes all of this messy is 'false flag' is a serious concern here. It does not help that the original GG instigators were also known for doing elaborate false flags to discredit feminism themselves.10/25/2014 - 12:59pm
MechaCrashThe guy who got the knife is the one who advocated doxxing, by the way, and was getting court documents about Zoe Quinn so he could publicly post them. It doesn't make what happened to him right, but he deserves no sympathy.10/25/2014 - 12:42pm
TechnogeekNo, that's a pretty shitty thing to do and I fully support the responsible parties getting a visit from the relevant legal authorities.10/25/2014 - 12:17pm
Neo_DrKefkaSomeone anyone tell me how two wrongs somehow make a right? This is becoming exhausting and both sides are out of there minds!10/25/2014 - 11:40am
Neo_DrKefkaSo two GamerGate supporters received a knife and syringe in the mail today. The same GamerGate supporters who said how awful it was were seen in other tweets gathering lists and sending our similar threats or harassment to shut down the other side....10/25/2014 - 11:36am
NeenekoJust look at how interviews are handled. Media tends to pit someone who is at best a journalist, but usually entertainer, against an expert, and it is presented and percieved as if they are equals.10/25/2014 - 7:38am
Neeneko@MC - Focusing on perpetrator does nothing for prevention, the media and public lack the domain knowledge and event details to draw any useful conclusions. All we get are armchair risk experts.10/25/2014 - 7:36am
Neeneko@AE - no name or picture, I like it.10/25/2014 - 7:34am
PHX Corp@MW and AE The news media needs to stop promoting the Shooters. period10/25/2014 - 7:16am
Andrew EisenWhen I write about these massacres, I don't use the shooter's name or picture. I'm not saying everyone has to play it that way but that's how I prefer to do it.10/25/2014 - 12:44am
Andrew EisenYep, it's why the news media stopped spotlighting numbnuts who run out on the field during sporting events.10/25/2014 - 12:01am
Matthew Wilsonin media research its called the copycat effect. it simply says that if the news covers one mass shooting shooter, it increases the likelihood of another person going on a mass shooting.10/25/2014 - 12:00am
Andrew EisenAgreed. It bugs me that I know the names, faces and personal histories of a bunch of mass shooters but I couldn't tell you the name of or recognize a photo of a single one of their victims.10/24/2014 - 11:51pm
AvalongodAgree with Quiknkold. @Mecha...if that worked we would have figured out how to prevent these long ago.10/24/2014 - 11:32pm
MechaCrashUnfortunately, you have to focus on the perpetrator to figure out the whys so you can try to prevent it from happening again.10/24/2014 - 10:55pm
 

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