Causes. Arrhythmia is caused by changes to heart tissue . It can also occur suddenly as a result of exertion or stress, imbalances in the blood, medicines, or problems with electrical signals in the heart.
Causes. Arrhythmia is caused by changes to heart tissue . It can also occur suddenly as a result of exertion or stress, imbalances in the blood, medicines, or problems with electrical signals in the heart.