What is bradycardia?
Bradycardia is a condition in which the heart beats too slowly – usually less than 60 beats per minute. As a result, your body does not get enough oxygen and nutrients to function properly.

Causes and Risk Factors

What causes bradycardia?
Bradycardia may be caused by a problem with your heart's natural pacemaker (sinoatrial or S-A node) or a problem with your heart's electrical pathways.


What are the symptoms of bradycardia?
Someone with bradycardia may feel tired, light-headed, or dizzy.


How is bradycardia diagnosed?
To diagnose bradycardia, your doctor will typically use an electrocardiogram (ECG) test.