Ask a Specialist: Atrial Fibrillation

According to the American Heart Association, 2.7 million Americans are living with atrial fibrillation or “a-fib”, the most common type of irregular heartbeat. This can lead to blood clots and stroke.


Dr. David Singh, Cardiac Electrophysiologist at The Queen’s Medical Center, explains atrial fibrillation is disorganized beating of the top chambers of the heart – the atria. Blood does not get flushed through the heart as effectively, and this could lead to blood clots that form in the heart. If blood clot dislodges from the heart and travels to the brain, it causes a stroke.


Traditionally, the only options for patients to reduce the risk of stroke in atrial fibrillation were blood thinners that can cause bleeding. However, newer therapies have been introduced. Those may be alternatives to blood thinners.


“We are making great strides with atrial fibrillation. A technique known as ablation therapy is helping people cope with afib by significantly reducing the amount of afib burden or even eliminating it in some cases,” adds Dr. Singh.
To learn more about atrial fibrillation and ways to treat it, call the Queen’s Heart Physician Practice at 691-8888, or go to

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