Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...
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Understanding your heart’s electrical rhythm
Your heartbeat is more than just a pulse — it’s an intricate electrical symphony that keeps you alive. From specialized pacemaker cells to the precise conduction pathways, every beat is carefully ...
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