Jan 14, 2026 · 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 also increases …

Atrial fibrillation (AFib) may be diagnosed when a health checkup is done for another reason. To diagnose AFib, the healthcare professional examines you and listens to your heart.

Jan 14, 2026 · Mayo Clinic staff in the Heart Rhythm Clinic has extensive experience and expertise in diagnosing and treating people with atrial fibrillation and other heart rhythm disorders.

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 than in AFib. …

Jan 23, 2024 · An atrial septal defect (ASD) is a hole between the heart's upper chambers. The heart problem is present at birth. It is a type of congenital heart defect.

Apr 9, 2024 · Atrial fibrillation ablation is done to fix and prevent an irregular and often very fast type of heartbeat called AFib. You may need this treatment if you have a fast, fluttering heartbeat that …

Jun 11, 2025 · It also works the other way around: AF can lead to atrial enlargement, and at the same time collagen deposits, and fibrosis, and those can cause mitral valve prolapse.

May 29, 2025 · Atrial fibrillation is a common type of heart rhythm disorder where the heart doesn't beat efficiently. This makes the heart unable to pump enough blood out to the body with each heartbeat. …

Jan 29, 2026 · La fibrilación auricular es un ritmo cardíaco irregular y, a menudo, muy rápido. Un ritmo cardíaco irregular se conoce como arritmia. La fibrilación auricular puede derivar en coágulos …

Overview Atrial tachycardia is an irregular heartbeat, called an arrhythmia. It's a type of supraventricular tachycardia. During an atrial tachycardia episode, the heart beats more than 100 times a minute. …