How Atrial Fibrillation Enlarges the Heart?

Q: My left atrium of the heart becomes larger because of atrial fibrillation. Why? Can it be small as it was after treatment?

A: If a person has atrial fibrillation, his heart beats irregularly, or we can say it flutters. The contraction of the left atrium becomes weak, so it can’t bump enough blood into the left ventricle. As the blood circulation goes on, more blood stays in the left atrium. Gradually the stress in it becomes larger and the heart is enlarged consequently.

In paroxysmal atrial fibrillation, the heart becomes as small as a healthy one after a period of peaceful time. However, it’s hard for it to go back into its previous shape if the patient has frequent episodes. In permanent atrial fibrillation, due to long-term episodes, it’s impossible for the heart to maintain a normal shape without appropriate treatment.

The shape of the heart is determined by the severity of AFib. You don’t have to pay much attention to the enlarged heart. It is AFib that you are copying with. With symptoms of AFib being eliminated during the process of treatment, the enlarged heart won’t be a problem.

 

 

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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.