Clinical studies have failed to show a link between caffeine intake and AFib episodes. A large Scandinavian study showed no association with coffee intake and AFib. Another study in dogs showed that the risk of triggering an AFib episode was actually reduced in the animals given caffein.

Vigorous exercise can lead to heart problems too much, too fast can affect with in time.

Is very important that patient treat there conditions might include:
-Sleep apnea
-Thyroid disease
-Diabetes
-Chronic lung disease
-Other heart conditions
-Family history

These conditions among others can lead towards making a patient more susceptible on getting atria fibrillation in the future if these conditions are not monitored or treated many problems will occur.