Safety and efficacy of transcatheter left atrial appendage closure using the Watchman device in Egyptian patients with nonvalvular atrial fibrillation QT Dispersion: Can it predict the Extent of Stable Coronary Artery Disease? The role of Cardiogoniometry in detecting patients with acute coronary syndrome Bioresorbable vascular scaffold (BVS) for the treatment of native coronary artery stenosis: one year outcome Left Atrial Appendage Occlusion With the Amulet Device Incomplete Occlusion, Thrombus Formation and the Importance of Intraprocedural Echocardiography Outcome of left atrial appendage occlusion in high-risk patients Left atrial appendage occlusion in patients meeting the “commissioning through evaluation” eligibility criteria: high all-cause mortality seen in spite of successful device implant. Left atrial appendage occlusion in high-risk patients: doing it is better than nothing (Reply)