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What is Supraventricular Tachycardia?

Sometimes, a problem with your heart's electrical signals can make it speed up, even when you're not anxious or exercising. When your heart beats t...

Arrhythmia

If they start in the ventricles, or lower chambers of your heart, they’re called ventricular. Doctors also group them by how they affect your resti...

What is Bradycardia?

Some conditions cause the heart to beat too fast or to flutter. You may simply have a slower-than-normal heart rate that doesn’t cause any symptoms...

Giant Cell Arteritis (Temporal Arteritis)

Giant cell arteritis, also called temporal arteritis, is a disease that causes your arteries -- blood vessels that carry oxygen from your heart to ...