Oct 3, 2025 · Atrial fibrillation. 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 hea

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.

Aug 29, 2024 · A person can have both atrial flutter and AFib. Atrial flutter may not cause symptoms. But some people may have a pounding, rapid heartbeat and chest pain. Fainting or …

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

Sep 28, 2023 · September is National Atrial Fibrillation Awareness Month. But what is atrial fibrillation and how do you fix it?

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 …

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.

Nov 26, 2024 · 症状 房颤 的症状可能包括： 心脏加快、扑动或剧烈跳动（心悸）。 胸部疼痛。 头晕。 疲劳。 头晕眼花。 运动能力下降。 气短。 无力。 有些心房颤动（房颤）患者没有任何 …

Oct 3, 2025 · 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 · Living with atrial flutter? Connect with others like you for support and answers to your questions in the Heart Rhythm Conditions support group on Mayo Clinic Connect, a …