Clinical Cases: See That Case at Least Once1174an Unrecognized Mechanism of Functional Tricuspid Regurgitation Revealed by Transthoracic Three-Dimensional Echocardiography1175left Ventricular Pseudoaneurysm after Radiofrequency Ablation of Premature Ventricular Contractions1176succesfull Management of Buckling of Echocardiographic Transesophageal Probe1177an Extremely Rare Tumor of Cardiovascular System1178pneumopericardium: a Rare Complication of Esophageal Cancer1179left Atrial Dissection …