1. When smoke does not always mean there is fire: using isoproterenol for better visualization of the left atrial appendage prior to transcatheter closure;Pandey;J Am Coll Cardiol EP,2019
2. Isoproterenol-assisted differentiation between sludge and organized thrombus to guide left atrial appendage occlusion;Goyal;J Am Coll Cardiol EP,2023
3. Differentiating spontaneous echo contrast, sludge, and thrombus in the left atrial appendage: can ultrasound enhancing agents help?;Posada-Martinez;Echocardiography,2019
4. Transcatheter cerebral embolic protection during WATCHMAN procedure in two patients with persistent left atrial appendage thrombus: case report with review of the literature;Tan;Catheter Cardiovasc Interv,2021