FEATURE ARTICLE SHORTENED HEADLINE
‘ A new wireless pacemaker about the size of a vitamin can now be implanted in the heart without surgery ’
Leadless Cardiac Pacemaker Since 1958 , the technology involved in cardiac pacemakers hasn ’ t changed much . A silver-dollar-sized pulse generator and a thin wire , or lead , inserted through the vein kept the heart beating at a steady pace . Leads , though , can break and crack , and become infection sites in 2 percent of cases . Vitamin-sized wireless cardiac pacemakers can be implanted directly in the heart without surgery and
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