pace makers
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11 سال پیش
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A pacemaker is a small
A pacemaker is a small device that's placed in the chest or abdomen to help control abnormal heart rhythms. This device uses low-energy electrical pulses to prompt the heart to beat at a normal rate. Pacemakers are used to treat arrhythmias. Arrhythmias are problems with the rate or rhythm of the heartbeat.
11 سال پیش
در تاریخ 1392/10/25 منتشر شده
است.
282
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