Left atrial appendage pericardial fluid: contrast-enhanced transesophageal echocardiography makes it visible Posted on February 28, 2019July 22, 2022 by admin CASE REPORT Hippokratia 2016, 20(3):235-237 Kamperidis V, Michou E, Kouskouras K, Nikolaidou O, Karvounis H 1st Cardiology Department, Radiology Department, AHEPA Hospital, Medical Faculty, Aristotle University of Thessaloniki, Thessaloniki, Greece