Some people with atrial fibrillation (A-fib) don't notice any symptoms. Those who do have atrial fibrillation symptoms may have signs and symptoms such as:  Sensations of a fast, fluttering or pounding heartbeat (palpitations) Chest pain Dizziness Fatigue Lightheadedness Reduced ability to exercise Shortness of breath Weakness  Atrial fibrillation may be:  Occasional (paroxysmal atrial fibrillation). A-fib symptoms come and go, usually lasting for a few minutes to hours. Sometimes symptoms occur for as long as a week and episodes can happen repeatedly. Symptoms might go away on their own. Some people with occasional A-fib need treatment. Persistent. With this type of atrial fibrillation, the heart rhythm doesn't go back to normal on its own. If a person has A-fib symptoms, cardioversion or treatment with medications may be used to restore and maintain a normal heart rhythm. Long-standing persistent. This type of atrial fibrillation is continuous and lasts longer than 12 months. Permanent. In this type of atrial fibrillation, the irregular heart rhythm can't be restored. Medications are needed to control the heart rate and to prevent blood clots. 
people atrial fibrillation (a-fib) don't notice symptoms  who atrial fibrillation symptoms may signs symptoms as:  sensations fast  fluttering pounding heartbeat (palpitations) chest pain dizziness fatigue lightheadedness reduced ability exercise shortness breath weakness  atrial fibrillation may be:  occasional (paroxysmal atrial fibrillation)  a-fib symptoms come go  lasting minutes hours  symptoms occur long week episodes can happen repeatedly  symptoms away own  people occasional a-fib need treatment  persistent  type atrial fibrillation  heart rhythm doesn't back normal own  person a-fib symptoms  cardioversion treatment medications may restore maintain normal heart rhythm  long-standing persistent  type atrial fibrillation continuous lasts longer 12 months  permanent  type atrial fibrillation  irregular heart rhythm can't restored  medications needed control heart rate prevent blood clots
atrial fibrillation