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Atrial fibrillation (AF, AFib or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by rapid and irregular beating of the atrial chambers of the heart. [11][12] It often begins as short periods of abnormal beating, which become longer or continuous over time. [4] It may also start as other forms of arrhythmia such as atrial flutter ...
You may become very aware of your own heartbeat. Over time, AFib can cause the heart to weaken and malfunction. The heart’s ineffective contractions cause blood to pool in the atria. This can ...
Chest pain, pressure, or discomfort. Abdominal pain. Shortness of breath. Lightheadedness. Fatigue or lack of energy. Exercise intolerance. Atrial fibrillation may happen occasionally with ...
Causes include age, cardiovascular disease, alcohol abuse, diabetes, and lung disease. Postoperative atrial fibrillation. This is the most frequent complication of cardiovascular surgery. It ...
Recognize AFib vs. Stroke. A stroke can happen when a blood clot travels to the brain. It's the biggest risk linked to AFib. People with AFib are five times more likely to have a stroke than others.
The Centers for Disease Control and Prevention (CDC) estimates that 12.1 million U.S. adults will have atrial fibrillation (AFib or AF) by 2030. The American Heart Association estimates that 2.7 ...
Atrial fibrillation refers to an irregular heartbeat and affects at least 2.7 million people in the United States. A heart murmur occurs when there is some kind of abnormal sound in between ...
AFib Symptoms. You might feel: Heart palpitations -- a flutter in your chest or heartbeat that races, pounds, or flutters. Pain and pressure or tightness in your chest. Confused. Dizzy. Faint or ...