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 …

Jan 14, 2026 · Diagnosis 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 …

Jan 14, 2026 · Atrial fibrillation care at Mayo Clinic Mayo Clinic doctors trained in evaluating and treating cardiovascular medicine (cardiologists), cardiovascular surgery (cardiovascular surgeons) and other …

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 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 …

Jan 23, 2024 · A large, long-term atrial septal defect can damage the heart and lungs. Surgery may be needed to repair an atrial septal defect and to prevent complications. Types Types of atrial septal …

The main symptom of atrial tachycardia is a very fast heartbeat. Typically during atrial tachycardia, the heart beats 150 to 200 times a minute. The fast heartbeat may come and go suddenly, or it can be …

May 29, 2025 · Learn why a fluttering heart may lead to a stroke. Hear from a Mayo Clinic expert about atrial fibrillation.

Apr 9, 2024 · Overview Atrial fibrillation ablation is a treatment for an irregular and often very fast heartbeat called atrial fibrillation (AFib). The treatment uses heat or cold energy to create tiny scars …

Jun 11, 2025 · Atrial fibrillation is dangerous, but it's not generally lethal. Instead, it is the other subsequent outfall events that can be very serious, and these include stroke due to the risk of …