It beats around 60-100 times per minute when you're resting. If you have atrial fibrillation, though, your heart can beat out of rhythm, too fast, or too slow. Untreated AFib might also make you ...

Atrial fibrillation (AF) is the most common arrhythmia ... An optimal technique of AF ablation has yet to be elucidated. Focal triggers from the muscle sleeves extending from the left atrium ...

A new study finds that atrial fibrillation, also known as Afib, is present in about 12% of older adults, with higher numbers in those in the age range of 70 to 79. Modifiable risk factors such as ...

The upper pulmonary veins (PVs) are responsible for the majority of atrial fibrillation (AF ... Furthermore, in certain patients AF triggers can be detected outside the PVs, and local denervation ...

Atrial fibrillation occurs when action potentials fire very rapidly within the pulmonary veins or atrium in a chaotic manner. The result is a very fast atrial rate — about 400 to 600 beats per ...

Atrial fibrillation (AF) is a common form of heart ... "As ROS pours into the cells through the mitochondria, it triggers the abnormal release of calcium, which in turn promotes events that ...

One of AI’s most immediate impacts is in screening and identifying patients who may have asymptomatic or paroxysmal AF, those ...

Background Endurance exercise training produces multiple cardiac adaptations including changes in electrophysiological function that may make endurance-trained athletes more vulnerable to atrial ...

Being diagnosed with atrial fibrillation, or irregular heartbeat, before 70 years old is linked to a 21% higher dementia risk. The research was presented at the EHRA 2025, a scientific congress of the ...

Atrial fibrillation (AF) is a common form of heart ... “As ROS pours into the cells through the mitochondria, it triggers the abnormal release of calcium, which in turn promotes events that ...