Glossary/Arrhythmia

Left Atrial Appendage Closure.

A procedure to seal off the left atrial appendage, a small pouch in the heart where blood clots commonly form in patients with atrial fibrillation. Devices such as the WATCHMAN can reduce stroke risk without long-term blood thinners.

Definition

What is left atrial appendage closure?

A procedure to seal off the left atrial appendage, a small pouch in the heart where blood clots commonly form in patients with atrial fibrillation. Devices such as the WATCHMAN can reduce stroke risk without long-term blood thinners.

Related Terms

Related glossary terms.

Atrial Fibrillation
The most common heart rhythm disorder, in which the upper chambers (atria) beat irregularly and o...
Stroke
Sudden interruption of blood supply to the brain, causing brain cell death. Can be ischemic (bloc...
Anticoagulant
A medication that reduces the blood's ability to form clots. Commonly prescribed after mechanical...
See Also

Related conditions we review.

Left Main Coronary Disease
Surgical Treatment of Atrial Fibrillation
Atrial Septal Defect (Adult)
LVAD (Left Ventricular Assist Device)
Previous
Late Gadolinium Enhancement
Next
Left Atrium
Browse all 200 terms
Stay informed.
Expert cardiac surgery insights from the WhiteGloveMD Heart Team, delivered to your inbox.
No spam. Unsubscribe anytime. HIPAA-compliant.

Have questions about left atrial appendage closure?

Our Heart Team provides expert second opinions with plain-language explanations. 24-hour turnaround.

Start Your Review Browse Conditions