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Atrial fibrillation is associated with an increased risk of heart failure, dementia, and stroke. [3] [12] It is a type of supraventricular tachycardia. [14] Atrial fibrillation frequently results from bursts of tachycardia that originate in muscle bundles extending from the atrium to the pulmonary veins. [15]
Pacemakers in this role are usually programmed to enforce a minimum heart rate and to record instances of atrial flutter and atrial fibrillation, two common secondary conditions that can accompany third-degree AV block.
Oftentimes, people with AF start with what are called paroxysmal events, which means AF suddenly comes and goes, lasting less than a week at a time, probably because the tissue is still relatively healthy. Repeated paroxysmal events that occur over longer periods of time, though, tend to stress the atrial cells even more.
If you or someone you know has afib, speak with your healthcare provider about treatment options, or contact Fairfield Healthcare Professionals Cardiology at 740-689-4480.
Using real-world data, researchers found that 81.6% of patients were free from AFib one year after RF-based ablation - a higher percentage than attained in clinical trials.
There are two major classes of cardiac fibrillation: atrial fibrillation and ventricular fibrillation. Atrial fibrillation is an irregular and uncoordinated contraction of the cardiac muscle of atria. It can be a chronic condition, usually treated with anticoagulation and sometimes with conversion to normal sinus rhythm.