This causes the ventricles to beat more rapidly than normal, resulting in a rapid or irregular pulse . The ventricles may fail to pump enough blood to meet the needs of the body. Some cases have no identifiable cause. Atrial fibrillation or flutter affects about 5 out of 1000 people. It can affect either sex.
Atrial fibrillation is very common in the elderly, but it can occur in persons of any age.
By using this service you accept the terms of our visitor agreement. Please read it . Registered site users, to edit your personal profile, click here . Subscribe to the Waco Tribune-Herald .