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Health Information Library Topics Cardiac arrhythmia

Cardiac arrhythmia


Cardiac arrhythmia is a heartbeat that's irregular, too fast, or too slow. This occurs when electrical impulses in the heart don't work properly.


There may be no symptoms. Or they may include a fluttering in the chest, chest pain, or dizziness.


Treatment, if needed, includes drugs, medical procedures, implantable devices, and surgery.

Last Updated: June 13th, 2017