Could Pulsed Wave Tissue Doppler Imaging Solve the Diagnostic Dilemma of Right Atrial Masses and Pseudomasses? A Case Series and Literature Review. - Sonaglioni, Andrea; Nicolosi, Gian Luigi; Muti-Schünemann, Giovanna Elsa Ute; Lombardo, Michele; Muti, Paola (Journal of Clinical Medicine, 2025)