An arrhythmia is an problem with the pulse rate or rhythm. That means your heart beats too fast, too slowly, or with an irregular pattern. When the heart beats more quickly than normal it's called tachycardia. An irregular heartbeat can feel like a heart racing or a flutter. Many arrhythmias are harmless to the heart. When they are however extremely abnormal or arise from a poor or impaired condition can cause severe and potentially fatal symptoms and complications. An arrhythmia can be silent, meaning that no symptoms are noticeable. Arrhythmia can lead to life-threatening complications such as stroke , heart failure or sudden cardiac arrest if left untreated.

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