Related Experiment Video
Updated: Apr 4, 2026

28:13
Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
34.4K
Differentiating LAA Thrombus From Spontaneous Echo Contrast for Safe LAA Occlusion
Ashraf Sliem1, Steven Douedi2, Chunheung Chen2
1Internal Medicine Department, Southern Ocean Medical Center, Manahawkin, New Jersey, USA.
JACC. Case Reports
|April 3, 2026
Summary
Left atrial appendage (LAA) occlusion prevents stroke in atrial fibrillation patients. Differentiating LAA thrombus from sludge using advanced imaging is crucial for safe device implantation.
Area of Science:
- Cardiology
- Medical Imaging
- Interventional Cardiology
Background:
- Left atrial appendage (LAA) occlusion is a key stroke prevention strategy for atrial fibrillation patients unable to use anticoagulation.
- LAA thrombus identification is critical, as it contraindicates device implantation.
- Distinguishing thrombus from spontaneous echo contrast (sludge) on transesophageal echocardiography (TEE) poses a diagnostic challenge.
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