Which part of heart is called as pace maker and why
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A pacemaker is a small electrical device, fitted in the chest or abdomen. It's used to treat some abnormal heart rhythms (arrhythmias) that can cause your heart to either beat too slowly or miss beats. Some pacemakers can also help the chambers of your heart beat in time.the natural pasemaker is caller as SA node or Sino Atrial node.. the main function is to regulate herat beat
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