Mar 8, 2024 · During atrial fibrillation, the heart's upper chambers — called the atria — beat chaotically and irregularly. They beat out of sync with the lower heart chambers, called the ventricles. For many people, AFib may have no symptoms. But AFib may cause a fast, pounding heartbeat, shortness of breath or light-headedness.

Jul 25, 2024 · 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. Afib is one of the most common arrhythmias.

Mar 23, 2023 · Atrial 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.

Atrial fibrillation, also called afib or af, is a quivering heartbeat or irregular heartbeat that can lead to stroke and other heart-related complications. The American Heart Association explains your risk for atrial fibrillation or afib, the symptoms of atrial fibrillation or afib, diagnosis of atrial fibrillation or afib, treatment of atrial ...

Feb 23, 2024 · 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 affects more than 5 million U.S. adults. AFib can occur with or without symptoms. Untreated AFib raises your risk of blood clots, stroke, heart attack, and heart failure.

Nov 15, 2023 · 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 rhythm is out of whack. Because...

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 more than 400 beats per minute). A normal, healthy heartbeat involves a …

Jul 28, 2020 · Atrial fibrillation (A-Fib) is the most common type of heart arrhythmia. It occurs when the heart beats at an irregular, often rapid pace. While A-Fib is usually not life-threatening, it does increase the chance of a stroke occurring because it prevents part of the heart from properly beating and effectively moving blood. A-Fib symptoms include:

Dec 5, 2023 · AFib is caused when the heart’s upper chambers (atria) beat irregularly, which can disrupt blood flow to the lower chambers of the heart. Individuals with AFib are at higher risk of...

Experts have identified heart rate danger zones for AFib patients that should sound an alarm. A resting heart rate consistently over 110-130 beats per minute (bpm) or exercise heart rate exceeding 170 bpm starts entering the high-risk category. Surpassing 220 minus your age in maximum heart rate is an emergency red flag.