A 59-year-old female with scleroderma, non-ischemic cardiomyopathy (EF 30–35%), GERD, and T2DM presented with chronic dyspnea. Initial right heart catheterization suggested pulmonary venous hypertension and cardiogenic shock, prompting diuretics, afterload reduction, and Milrinone. However, echocardiography revealed a markedly enlarged RV (RV:LV ra