Atrial fibrillation - Symptoms and causes - Mayo Clinic
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 …
Atrial fibrillation - Diagnosis and treatment - Mayo Clinic
A fast, pounding heartbeat could be due to AFib, a type of heart rhythm disorder. Know the warning signs and when treatment is needed.
Atrial flutter - Diagnosis and treatment - Mayo Clinic
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.
Heart arrhythmia - Symptoms and causes - Mayo Clinic
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 …
Atrial flutter - Symptoms and causes - Mayo Clinic
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 …
Does atrial fibrillation run in families? - Mayo Clinic
May 15, 2024 · AFib is a common heart disorder. Sometimes it is inherited. Learn about all the risk factors.
Mayo Clinic Minute: Managing atrial fibrillation
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 …
Supraventricular tachycardia - Symptoms and causes - Mayo Clinic
Mar 7, 2024 · SVT is a heart rhythm disorder that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and when it's treated.
Planning to travel with atrial fibrillation? - Mayo Clinic
Nov 13, 2024 · Atrial fibrillation — also called AFib — is a common heart rhythm disorder. If you have AFib, you may have some concerns about traveling with your condition.
Atrial fibrillation - Mayo Clinic
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.