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Normal Heart Cells Transformed into 'Biological' Pacemaker

U.S. scientists have created a “biological” pacemaker to keep the heart beating normally. The experimental technique may someday give cardiologists a new tool for treating patients with heart rhythm disorders. Currently, surgeons implant electronic pacemakers to electrically stimulate the hearts of patients with heart block. These types of heart rhythm disorders cause the heart to beat slowly, can cause light-headedness, fatigue, fainting and in the worst cases, sudden...

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