What causes the heart to go into fibrillation?

The exact cause of atrial fibrillation is unknown , but it’s more common with age and affects certain groups of people more than others. Atrial fibrillation is common in people with other heart conditions, such as: high blood pressure (hypertension) atherosclerosis.

Atrial fibrillation (also called AFib or AF) is a quivering or irregular heartbeat (arrhythmia) that can lead to blood clots, stroke, heart failure and other heart-related complications . At least 2.7 million Americans are living with AFib.31 Tem 2016

Atrial fibrillation (also called AFib or AF) is a quivering or irregular heartbeat (arrhythmia) that can lead to blood clots, stroke, heart failure and other heart-related complications . At least 2.7 million Americans are living with AFib.31 Tem 2016