Dysrhythmias; Abnormal heart rhythms; Bradycardia; Tachycardia
An arrhythmia may be present all of the time or it may come and go. You may or may not feel symptoms when the arrhythmia is present. Or, you may only notice symptoms when you are more active.
Symptoms can be very mild when present, or they may be severe or even life-threatening.
Common symptoms include:
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Source: HealthCentral Encyclopedia
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Source: ADAM Encyclopedia
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