WebPeople with atrial fibrillation (A-fib) have disorganized electrical signals that make their upper heart chambers (atria) contract in an uncoordinated way. These signals travel down to the lower chambers (ventricles) and tell them to beat in an irregular way. People who have A-fib with RVR also have an issue in their lower heart chambers. Web1 : an act or process of forming fibers or fibrils 2 a : a muscular twitching involving individual muscle fibers acting without coordination b : very rapid irregular contractions of …

Atrial Fibrillation - What Is Atrial Fibrillation? NHLBI, NIH

WebNov 17, 2024 · In atrial fibrillation, very fast, irregular electrical signals move through both of the upper chambers of your heart. This can make your heartbeat fast and irregular. Some people who have atrial fibrillation … Atrial fibrillation (A-fib) is an irregular and often very rapid heart rhythm (arrhythmia) that can lead to blood clots in the heart. A-fibincreases the risk of stroke, heart failure and other heart-related complications. During atrial fibrillation, the heart's upper chambers (the atria) beat chaotically and … See more Some people with atrial fibrillation (A-fib) don't notice any symptoms. Those who do have atrial fibrillation symptoms may have signs and symptoms … See more To understand the causes of A-fib, it may be helpful to know how the heart typically beats. The typical heart has four chambers — two upper chambers (atria) and two lower chambers … See more Blood clots are a dangerous complication of atrial fibrillation that can lead to stroke. In atrial fibrillation, the chaotic heart rhythm can cause blood to collect in the heart's upper … See more Things that can increase the risk of atrial fibrillation (A-fib) include: 1. Age.The older a person is, the greater the risk of developing atrial fibrillation. 2. Heart disease.Anyone with heart disease — such as heart valve … See more emily darsow

Atrial Fibrillation Medications American Heart Association

WebCalcium channel blockers are one type. They treat AFib by slowing your heart rate and relaxing the heart muscle so it doesn't have to work as hard. AFib also raises your risk for heart failure ... WebAtrial Fibrillation is defined as an irregular and, at times, rapid heart rate that sets the top chambers of the heart (atria) and the bottom (ventricles) into a tempo that basically … WebThe .gov means it's official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site. emily darrington