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 …

Apr 21, 2025 · Atrial fibrillation (AFib) is an irregular heart rhythm that begins in your heart’s upper chambers (atria). Symptoms include fatigue, heart palpitations, trouble breathing and dizziness. Risk …

Atrial fibrillation is associated with an increased risk of heart failure, dementia, and stroke. [3][13] It is a type of supraventricular tachycardia. [14] Atrial fibrillation frequently results from bursts of …

Atrial fibrillation is an irregular heartbeat, or arrhythmia. Atrial fibrillation, also known as AFib or AF, can lead to blood clots, stroke, heart failure and other heart-related complications.

Find out about atrial fibrillation, a condition that causes an irregular heart rhythm, including symptoms, treatment and how it affects your life.

Nov 15, 2023 · Atrial fibrillation is a common heart condition that causes irregular heartbeats. Learn about its causes, symptoms, and treatment options in this comprehensive guide.

May 14, 2024 · What it is Atrial fibrillation, often called AFib or AF, is the most common type of treated heart arrhythmia. An arrhythmia is when the heart beats too slowly, too fast, or in an irregular way. …

Atrial fibrillation, or A-fib, is becoming more common, but doctors say treatments are improving. The condition is a quivering or irregular heartbeat that can lead to blood clots, stroke and heart failure.

Mar 7, 2026 · What is atrial fibrillation? Atrial fibrillation is a heart rhythm disorder that causes a rapid and irregular heartbeat. The heart is a muscle that has four chambers through which blood flows: …

2 days ago · The meaning of ATRIAL is of, relating to, or affecting an atrium. How to use atrial in a sentence.