Oct 3, 2025 · 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 …

A fast, pounding heartbeat could be due to AFib, a type of heart rhythm disorder. Know the warning signs and when treatment is needed.

May 15, 2024 · AFib is a common heart disorder. Sometimes it is inherited. Learn about all the risk factors.

Oct 13, 2023 · This rapid, irregular heart rate starts with faulty electrical signals in the lower heart chambers, called the ventricles. The rapid heart rate doesn't let the ventricles properly fill with …

Aug 29, 2024 · Atrial flutter is a type of heart rhythm disorder, called an arrhythmia. It is similar to atrial fibrillation (AFib). But in atrial flutter the heart rhythm is more organized and less chaotic …

Aug 29, 2024 · Learn more about this condition in which the heart's upper chambers beat too quickly, causing a rapid, but usually regular, heart rhythm.

Atrial fibrillation (AFib) is a heart rhythm disorder. In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat.

Sep 28, 2023 · The top chambers of the heart are where the problem lies for atrial fibrillation," says Dr. DeSimone. There are many causes, such as high blood pressure, diabetes or even …

Apr 9, 2024 · Atrial fibrillation (AFib) is a heart rhythm disorder. In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat.

Jan 14, 2011 · The irregular heart rhythm of atrial fibrillation can cause blood to pool in your atria and form clots. Although those clots won't lead to a heart attack, one of them could dislodge …