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The epicardial fat thickness and the thickness of the RV free wall are measured by TTE from the PLA view, using the aortic annulus as an anatomic reference. The epicardial adipose tissue is represented by an echo-free space between the pericardial layers (yellow arrow). The RV thickness is measured between the inferior red lines. PLA: Parasternal long axis; RV: Right ventricle; TTE: Transthoracic echocardiography
