23 July 2026
: Case report 
A Novel Presentation of Hemodynamic Decompensation With Cardiogenic Shock in a Patient With Partial Anomalous Pulmonary Venous Return
Congenital defects / diseases
Wafaa Mansour AEF 1*, Jamil Qiqieh
EF 1, Johnathan Stephan E 2, Sara Gezahegn EF 3, Fadi Ayoub E 1, Dawit K. Worku E 3, Alehegn Gelaye EF 3
DOI: 10.12659/AJCR.953243
Am J Case Rep 2026; 27:e953243
Figure 3 Transthoracic echocardiography (parasternal short axis) demonstrating the classic D-sign, characterized by interventricular septal flattening that results in a D-shaped left ventricle during diastole, consistent with right ventricular volume overload.