212: OBSTRUCTIVE SHOCK DUE TO ACUTE THROMBOSIS OF BIOPROSTHETIC MITRAL VALVE: POCUS FOR A RARE DIAGNOSIS. (15th December 2022) - Rahman, Omar; Sharif, Ayesha; Moore, Natalie; Etienne, Joshua; Khurram, Ibrahim; Hashim, Muhammad; Nawaz, Fatima; Iqbal, Mohsin; Corvera, Joel