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Types

Problems Involving Heart Rhythm

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Arrhythmias

Overview of Pacemakers and Implantable Cardioverter Defibrillators (ICDs)

Living With a Pacemaker or Implantable Cardioverter Defibrillator (ICD)

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Heart Health
Ventricular Arrhythmia

Sometimes problems with the heart's electrical signals lead to a fast heart rhythm. Too many signals may make the heart beat very fast (tachycardia). Or signals may be sent so rapidly and irregularly that the heart muscle sometimes quivers and doesn't beat at all (fibrillation).

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Heart Health
Home Page - Cardiovascular Disorders

Detailed information on cardiovascular diseases in children

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Heart Health
Bradycardia

When your heart rate is slow, less than 60 beats a minute, it is called bradycardia. Bradycardia can be normal, caused by medicines, or a sign of a disease. It is a concern when your heart rate is very low, or you have symptoms.

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Heart Health
When Your Child Has a Cardiac Arrhythmia

An arrhythmia can cause your child's heart to pump blood less efficiently. Many arrhythmias are harmless and don't need to be treated. But if it causes symptoms, it may need treatment.