Compare Springfield, MO Demographics To Other Cities. Springfield population breakdown by race. In Springfield, 4.1% of people are of Hispanic or Latino origin. Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.
Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating. Often it starts as brief periods of abnormal beating which become longer and possibly constant over time. Most episodes have no symptoms.
â¢ Atrial fibrillation (or AFib) is a problem with your heartâs. rhythm5. âAFib is typically characterized by chaotic, disorganized electrical activity. in the upper chambers of the heart. When AFib occurs, the atria (upper. chambers of the heart) fibrillate (beat very fast) resulting in an irregular. heart rhythm5.