Hello, Thanks for posting your query on Healthcare Magic... * Brief Answer: atrial flutter or fibrillation is a serious condition, need to check with your cardiologist as soon as possible. *Explanation: My opinion is that atrial fibrillation is quite an important issue .main causes are hypertension and valvular heart diseases but sometimes happen alone.precipitating factors include stress and effort .symptoms such as dyspnea ,palpitations plus or minus chest pain. I suggest my patients the following  :general and local examination. Investigations include echocardiogram and electrocardiography. According to timing and frequency, i manage my patient. The information provided by you is not sufficient to provide a good opinion. If someone comes to me with this condition I would ask them about age, other risk factors. *Conclusion: I suggest you urgent check up with your cardiologist .      If you have any further questions I will be happy to help, If not, you can close the discussion and rate the answer. Wish you good health.