To decide the best treatment for an abnormal heart rhythm.

If these abnormal rhythms are not fixed right away, the person may die.

At the time, most experts believed that drugs would be the best treatment for such abnormal rhythms.

It may also keep you from sleeping well and cause headaches, abnormal heart rhythms, or other problems.

At those doses, the drug can cause dangerously low blood pressure and abnormal heart rhythms.

This, in turn, increases the risk of dangerous abnormal heart rhythms and other complications.

You will have tests to see whether you are at risk for abnormal heart rhythms.

You have passed out from previous abnormal heart rhythms.

There are also a variety of drugs used by the doctor in an emergency situation to control or convert an abnormal heart rhythm.

To determine the cause of an abnormal heart rhythm.