What is Atrial Fibrillation?

Atrial Fibrillation is an arrhythmia that originates in the left upper chamber of the heart creating a chaotic irregular electrical signal that interferes and overrides the natural pacemaker of the heart.  A similar condition, atrial flutter, occurs in the right upper chamber of the heart and often coincides with atrial fibrillation. Possible triggers include:

Atrial Fibrillation disrupts the normal rhythm of the heart and may manifest as shortness of breath, chest pain, palpitations, dizziness, fatigue, fainting, or no symptoms at all.

How is AFIB Diagnosed?

Diagnosis includes a combination of pulse check, listening to heart sounds with the following tests:​

What is the Treatment for AFIB?

The treatment goals for AFib include rate control, resetting the rhythm, and preventing clots that may travel to the brain and lead to a stroke.  Strategies used to achieve these goals include:​

HeartPlace Plano West has the best cardiologists, electrophysiologists, and vascular surgeons in Plano, TX. 


6124 West Parker Road
Medical Building 3, Suite 536
Plano, Texas 75093

Phone: 972-378-9560

Fax: 844-290-4363

Location Hours: 

8:00 am - 5:00 pm (M-F)


1105 Central Expressway North
Medical Building 2, 3rd Floor, Suite 2330

Allen, Texas 75013

Phone: 972-649-6511

Fax: 844-290-4360

Location Hours: 

8:00 am - 5:00 pm (M-F)


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