Oct 3, 2025 · Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The condition …

Atrial fibrillation (AFib) is an irregular heart rhythm that begins in your heart’s upper chambers (atria). Symptoms include fatigue, heart palpitations, trouble breathing and dizziness.

Nov 15, 2023 · What Is Atrial Fibrillation? Atrial fibrillation, also called AF or AFib, is a quivery, fluttery heartbeat. You might also hear the doctor call it arrhythmia. It means your heart’s …

Mar 26, 2025 · Atrial fibrillation, also known as AFib or AF, can lead to blood clots, stroke, heart failure and other heart-related complications. AFib is the most common type of irregular heart …

Sep 14, 2025 · Atrial fibrillation, often called AFib, causes an irregular and sometimes rapid heartbeat. It ranks as one of the most common arrhythmias (irregular heart rhythms).

Afib stands for atrial fibrillation (AF), which is a type of arrhythmia, or abnormal heartbeat. Afib is caused by extremely fast and irregular beats from the upper chambers of the heart (usually …

Nov 10, 2025 · Care guide for A-Fib (Atrial Fibrillation). Includes: possible causes, signs and symptoms, standard treatment options and means of care and support.

Feb 5, 2025 · Atrial fibrillation (AFib) is a type of heart arrhythmia in which the upper chambers of the heart (the atria) beat irregularly and out of sync with the lower chambers.

May 15, 2024 · Atrial fibrillation, often called AFib or AF, is the most common type of treated heart arrhythmia. An arrhythmia is when the heart beats too slowly, too fast, or in an irregular way.

Atrial fibrillation, or A-fib, is a common type of heart arrhythmia. It causes fast, chaotic electrical signals in the atria.