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Injectable electrodes could prevent deadly heart arrhythmias
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Injectable electrodes could prevent deadly heart arrhythmias

BY ROBERT F. SERVICE Liquid wires could restore a healthy beat to damaged hearts. MEHDI RAZAVI/TEXAS HEART INSTITUTESAN DIEGO—Heart attacks and strokes triggered by electrical misfiring in the heart are among the biggest killers on the planet. Now, researchers have created a “liquid wire” that, when injected into pig hearts, can guide the organs to...