Living With Atrial Fibrillation & Prevention

Does atrial fibrillation weaken the heart?

A Answers (1)

  • AJose Nazari, MD, Clinical Cardiac Electrophysiology, answered on behalf of NorthShore University HealthSystem
    Untreated atrial fibrillation with fast rates can weaken the heart, sometimes permanently (most commonly until treated). The left atrium both grows and is more prone to cause atrial fibrillation the longer it is in atrial fibrillation.

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