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About This Condition
Bradycardia means your heart rhythm is slower than the body requires at a given level of activity. It can cause dizziness or shortness of breath during normal activities or light exercise.
Bradycardia is defined as a slow heart rhythm, usually less than 60 beats per minute. At this rate, the heart is not able to pump enough oxygen-rich blood to your body during normal activity or exercise.
Common causes of bradycardia include:
Symptoms of bradycardia include dizziness, fainting, extreme tiredness, and shortness of breath.
Your risk of developing an abnormally slow heart rate (bradycardia) is greater if you:
Only your doctor can tell if you have bradycardia and how far the condition has progressed. To rule out or confirm the diagnosis of bradycardia, one or several of these diagnostic tests may be ordered depending upon the suspected heart rhythm problem:
Your doctor may also use a monitoring device to better understand the cause of unexplained fainting episodes. These monitoring devices include:
Information on this site should not be used as a substitute for talking with your doctor. Always talk with your doctor about diagnosis and treatment information.