The future of heart rhythm monitoring?
An abnormal heart rhythm鈥攚hen your heartbeat is too slow, too fast, or irregular鈥攎ay be a fleeting, harmless event. But it might be a sign of a more serious heart condition. If you have frequent palpitations (which feel like your heart is pounding, racing, or fluttering) or unexplained fainting spells, your doctor may recommend a Holter monitor. This portable electrocardiogram (ECG) machine records your heart rhythm over a day or two.
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