What is atrial fibrillation?

Fast irregular pulse: When the small chambers of the heart ( atria) are beating very fast ( more than 300 beats per minute) the larger chambers beat fast and irregularly.

Irregular rhythm: Af is an irregular heart rhythm caused by uncoordinated electrical activity in the atria, or top chambers of the heart. Sometimes it is fast, other times it isn't.

Abnormal Heart Rhyth: It is an irregularity of your heart beat.It is quite common in older patients.You need to be under the care of a cardiologist as you may need to be placed on a blood thinner in order to avoid blood clots going into your circulation...This can cause a stroke...So be very attentive to see and follow your doctorr egularly..

Arrhythmias: Atrial fibrillation (afib) is the most common sustained rhythm abnormality. It's characterized by an irregular heart rate. The upper chambers of the heart (atrium) do not beat but quiver. Many people don't notice it. But many do. It can lead to strokes in some patients so blood thinners are important. It can be treated with medications, ablation thru iv's in the groin or surgery. See a cardiologis.