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The noninvasive assessment of superior vena cava (SVC), crista terminalis (CT), and the right atrial appendage (RAA) has clinical implications in determining the right atrium (RA) pressure in adult patients in whom the inferior vena cava cannot be imaged, in planning electrophysiological procedures and for evaluation of thrombi in RA/RAA. It is difficult to image these structures using standard two‐dimensional transthoracic echocardiography (2DTTE), but the right parasternal approach has shown promise in the very few studies published so far.

The aim of this study was to show the feasibility of this approach and its usefulness in qualitative and quantitative assessments of these structures by both 2D and three (3D) TTE in patients with and without known cardiac pathologies.

The study consisted of 38 adult patients, 17 of whom had cardiac pathologies (Group 1) while the …