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New CPR technique revives man after 63 minutes without pulse (3:49) 

Oct. 27 - The rules of how to treat cardiac arrest are being re-written at the Mayo Clinic in Minnesota. Technology, new drug treatments, conventional CPR and the use of hypothermia are now being coordinated with great affect - in one case reviving a man who'd been clinically dead for more than an hour. Ben Gruber reports. ( Transcript )

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