Targeting CPR education in high-risk neighborhoods could increase the number of bystanders giving CPR and decrease deaths from cardiac arrest, according to a new American Heart Association scientific statement published in its journal Circulation. Survival rates for out-of-hospital cardiac arrest vary widely in the United States, from 0.2 percent in Detroit, Mich., to 16 percent in Seattle, Wash. The variance is due in part to whether a bystander does CPR. For every 30 bystanders who do, one life is saved, researchers said...

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