Prognosis
In otherwise healthy patients, occasional premature atrial contractions are a common and normal finding and do not indicate any particular health risk. Rarely, in patients with other underlying structural heart problems, PACs can trigger a more serious arrhythmia such as atrial flutter or atrial fibrillation. In otherwise healthy people PACs usually disappear with adolescence.These are usually gone by the end of third decade.
Read more about this topic: Premature Atrial Contraction