an unusual and unusual heart rhythm for which electrical signals tend to be produced chaotically through the upper chambers (atria) of this heart. Many individuals with atrial fibrillation have no symptoms. Among those that do, the most common symptom is a distressing knowing of the rapid and irregular heartbeat (palpitations). Atrial fibrillation can market the forming of bloodstream clots that vacation from the heart toward brain, causing stroke. Remedy for atrial fibrillation requires risk-factor control, usage of medications to slow one's heart price and/or transform one's heart to regular rhythm, and avoidance of bloodstream clots. Also called auricular fibrillation.
fibrillation of the muscles of this atria associated with the heart