The article explains how the Minneapolis Heart Institute helped sound the alarm on the leads (pictured), thin wires that connect an implanted defibrillator to the malfunctioning heart.

• 这篇文章解释了如何明尼阿波利斯心脏研究所帮助敲响了警钟，对线索（图） ，细导线连接了植入式除颤器，以失灵的心。