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Atrial fibrillation - Symptoms and causes - Mayo Clinic 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 also increases the risk of stroke, heart failure and other heart-related complications
What is Atrial Fibrillation? - American Heart Association Atrial fibrillation is an irregular heartbeat, or arrhythmia 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 rhythm
Atrial Fibrillation (AFib): Causes, Symptoms, and Treatment 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 normal
What Is Atrial Fibrillation? - NHLBI, NIH Atrial fibrillation, also known as A-fib or AF, is one of the most common types of arrhythmias (irregular heart rhythms) Atrial fibrillation causes your heart to beat irregularly and sometimes much faster than normal, and your heart’s upper and lower chambers do not work together as they should
Atrial Fibrillation (A-Fib): Symptoms Risk Factors | Brigham and . . . Atrial fibrillation (A-fib) is a type of arrhythmia (abnormal heartbeat) that affects almost five million Americans It often originates in the left atrium (the upper left chamber of the heart) When atrial fibrillation occurs, the upper heart chambers beat in an unorganized rhythm
About Atrial Fibrillation | Heart Disease | CDC 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
Overview of Atrial Fibrillation In Atrial Fibrillation (A-Fib) the upper part of your heart beats (quivers) faster than the rest of your heart If you could look inside your chest, the top part of your heart would be shaking like Jell-O or beating more rapidly than the lower section of your heart