Symptoms of Atrial Fibrillation
Atrial fibrillation , or afib, is a type of heart arrhythmia — or irregular heartbeat — caused by abnormal electrical signals in the upper chambers of your heart (atria). These…
Atrial fibrillation , or afib, is a type of heart arrhythmia — or irregular heartbeat — caused by abnormal electrical signals in the upper chambers of your heart (atria). These…