What are the most pressing unanswered questions about afib?

Atrial fibrillation (AFib or AF) is an abnormal heart rhythm (arrhythmia) caused by rapid, chaotic electrical impulses which originate in the heart's upper ... Jul 10, 2023 ... “During AFib, the signals to your heart become disorganized,” explains Dr. Zei. “The heart's two upper chambers, or atria, beat chaotically and ... Apr 2, 2024 ... Atrial fibrillation (AFib) is one of many different kinds of arrhythmias and is the most common form of heartbeat arrhythmia in the United States. People with atrial fibrillation have 3 to 5 times greater risk for ischemic stroke. During Afib, the atria contract chaotically. Because the atria aren't moving ... May 30, 2022 ... When the atria cause the ventricles of the heart to beat too fast, it's called rapid ventricular rate or response (RVR). But the ventricular ... Oct 11, 2021 ... Research has found that many of the electrical signals that cause atrial fibrillation start in the four pulmonary veins that carry blood from ... Learn how to set up AFib History to track how frequently your heart shows signs of AFib and log life factors that can impact your condition. Feb 11, 2025 ... What are common symptoms of Afib? · Palpitations: A racing, fluttering, or irregular heartbeat. · Fatigue: Feeling unusually tired or weak. Summary · Atrial fibrillation (AF) is a type of arrhythmia, which means that the heart beats fast and irregularly. · The risk of AF increases markedly with age. Sep 24, 2024 ... A heart rate that is very high or consistently high can be concerning in AFib. It can lead to serious health complications and put a strain on the heart.