Clinical Cases: HIT session - Top of the hub: best clinical cases852A rare cause of severe chest pain and sustained ventricular tachycardia during a football game853Thrombosed iliac venous aneurysm as a extremely rare source of pulmonary thromboembolism8543D transesophageal echo: guide to anticoagulation therapy after surgical closure of the left atrial appendage855A unusual case of giant coronary aneurysm: role of multimodality imaging in the diagnosis and follow-up858Myocardial cleft in a patient with acute coronary syndrome assessed by multimodal imaging859A rare case of subacute left atrial dissection860A case of pulmonary sarcoidosis with severe precapillary pulmonary hypertension and extrinsic compression of the pulmonary artery