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Bookmark or Share- About Atrial Fibrillation | Heart Disease | CDC - Centers for Disease ...When a person has AFib, the normal beating in the upper chambers of the heart (the two atria) is irregular, and blood doesn't flow as well as it should from the atria to the lower chambers of the heart (the two ventricles). AFib may happen in brief episodes, or it may be a permanent condition.
- What Is Afib? - Johns Hopkins MedicineAfib 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 more than 400 beats per minute).
- Atrial Fibrillation (AFib): Symptoms and Treatment - WebMDAtrial 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 normal rhythm is out of whack.
- What is Atrial Fibrillation? - American Heart AssociationAtrial fibrillation is a quivering or irregular heartbeat, or arrhythmia. Also known as AFib or AF, it can lead to blood clots, stroke, heart failure and other heart-related complications.
- Afib (Atrial Fibrillation): Symptoms & Treatment - Cleveland ClinicAtrial 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. Afib is one of the most common arrhythmias.
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