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Homepage Accessibility links Skip to content Accessibility Help BBC Accountrequire(["idcta/statusbar"],function(a){new a.Statusbar({id:"idcta-statusbar",publiclyCacheable:!0})}),document.querySelector(".idcta-wrapper").classList.remove("no-js") Notifications Home News Sport Weather iPlayer Sounds Bitesize CBeebies CBBC Food Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live More menu Search iPlayer Home News Sport Weather iPlayer Sounds Bitesize CBeebies CBBC Food Home News Sport Business Technology Health Culture Arts Travel Earth Audio Video Live Close menu !function(){var e=document.getElementById("tviplayer");-1===e.className.indexOf("tvip-js")&&(e.className+=e.className?" tvip-js":"tvip-js")}(); iPlayer NavigationiPlayer Accessibility HelpMenuFIFA World CupChannels;;Channels Sub NavigationScroll Channels Sub Navigation leftBBC OneBBC TwoBBC ThreeBBC FourBBC Radio 1CBBCCBeebiesBBC ScotlandBBC NewsBBC ParliamentBBC AlbaS4CScroll Channels Sub Navigation rightCategoriesCategoriesCategory Sub NavigationScroll Category Sub Navigation leftDrama & SoapsFilmsComedyDocumentariesSportNewsEntertainmentMusicFoodLifestyleHistoryScience & NatureArtsFrom the ArchiveAudio DescribedSignedNorthern IrelandScotlandWalesCBeebiesCBBCScroll Category Sub Navigation rightDrama & SoapsFilmsComedyDocumentariesSportNewsEntertainmentMusicFoodLifestyleHistoryScience & NatureArtsFrom the ArchiveAccessible alternative formatsAudio DescribedSignedRegionsNorthern IrelandScotlandWalesChildren’sCBeebiesCBBCA-ZTV GuideWatchlistHomeTech NowHigh Tech Heart SurgeryJavaScript seems to be disabled. Please enable JavaScript to take full advantage of iPlayer.Tech Now - High Tech Heart SurgeryTech NowHigh Tech Heart SurgeryAdrienne Murray explores how new 3D-imaging technology is being used to support heart procedures. Andrew Rogers chats to the game developers pitching the next big thing at the London Gaming Festival. More