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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PHX Corp@Adam802 We'll break out the popcorn in June12/19/2014 - 9:23pm
ZippyDSMleeMaskedPixelante: I'm itching to start it too but I will wait till the patch goes live. >>12/19/2014 - 7:52pm
Adam802Leland Yee and Jackson get trial date: http://sfbay.ca/2014/12/18/leland-yee-keith-jackson-get-trial-date/12/19/2014 - 5:24pm
MaskedPixelanteNevermind. Turns out when they said "the patch is now live", they meant "it's still in beta".12/19/2014 - 5:07pm
MaskedPixelanteSo I bought Dark Souls PC, and it's forcing me to log into GFWL. Did I miss something?12/19/2014 - 5:00pm
Matthew Wilsonhttp://arstechnica.com/tech-policy/2014/12/republicans-may-have-plan-to-save-internet-providers-from-utility-rules/ this is intreasting. congress may put net nutrality in to law to avoid title 2 classification12/19/2014 - 2:45pm
Matthew Wilsonhttp://www.polygon.com/2014/12/19/7421953/bullshit-cards-against-humanity-donated-250k-sunlight-foundation I have to admit I like the choice o organization. congrats to CAH.12/19/2014 - 1:51pm
E. Zachary KnightIf you are downloading a copy in order to bypass the DRM, then you are legally in the wrong. Ethically, if you bought the game, it doesn't matter where you download it in the future.12/19/2014 - 12:06pm
InfophileEZK: Certainly better that way, though not foolproof. Makes me think though: does it count as piracy if you download a game you already paid for, just not from the place you paid for it at? Ethically, I'd say no, but legally, probably yes.12/19/2014 - 11:20am
ZippyDSMleeAnd I still spent 200$ in the last month on steam/GOG stuff sales get me nearly every time ><12/19/2014 - 10:55am
ZippyDSMleeMaskedPixelante:And this is why I'm a one legged bandit.12/19/2014 - 10:51am
ZippyDSMleeE. Zachary Knight: I buy what I can as long as I can get cracks for it...then again it I could have gotton Lords of the Fallen for 30 with DLC I would have ><12/19/2014 - 10:50am
MaskedPixelantehttp://www.joystiq.com/2014/12/19/marvel-vs-capcom-origins-leaving-online-storefronts-soon/ Speaking of "last chance to buy", Marvel vs. Capcom Origins is getting delisted from all major storefronts. Behold the wonders of the all digital future.12/19/2014 - 9:59am
MaskedPixelanteSeriously, the so-called "Last Chance" sale was up to 80% off, while this one time only return sale goes for a flat 85% off with a 90% off upgrade if you buy the whole catalogue.12/19/2014 - 9:37am
E. Zachary KnightInfophile, Tha is why I buy only DRM-free games.12/19/2014 - 9:37am
MaskedPixelanteNordic is back on GOG for one weekend only. And at 85% off no less, which is kind of a slap in the face to people who paid more during the "NORDIC IS LEAVING FOREVER BUY NOW OR FOREVER HOLD YOUR PEACE" sale, but whatever...12/19/2014 - 9:28am
InfophileRe PHX's link: This is one of the reasons the digital revolution isn't all it's cracked up to be. There's also the flip side where Sony can block access to games you've bought if they ban your account for unrelated reasons. All power is theirs.12/19/2014 - 8:52am
MaskedPixelantehttp://uplay.ubi.com/#!/en-US/events/uplay-15-days You can win FREE GAMES FOR A YEAR! Unfortunately, they're Ubisoft games.12/18/2014 - 6:29pm
Papa MidnightAh, so it was downtime. I've been seeing post appear in my RSS feed, but I was unable to access GamePolitics today across several ISPs.12/18/2014 - 6:06pm
james_fudgeSorry for the downtime today, folks.12/18/2014 - 5:54pm
 

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