https://www.selleckchem.com/products/4-Methylumbelliferone(4-MU).html Although uncommon, Libman-Sack endocarditis is the most characteristic cardiac manifestation of Systemic Lupus Erythematosus (SLE). It forms vegetations made of inflammatory tissue on the cardiac valves, leading them to malfunction. Here we present a case of a young woman who presented with severe mitral valve regurgitation in need for a valve replacement. Integral evaluation of the patient revealed the diagnosis of SLE, which was aggressively treated in an outpatient setting with immunosuppressive therapy. Only after achieving medical stabilization of the underlying disease, she was able to undergo surgical mitral valve replacement. After the surgery, the patient no longer suffered from mitral regurgitation, and with a mechanical prosthesis in place, the risk of Libman-Sacks endocarditis recurrence is thought to be minimal.Ventricular septal rupture (VSR) is an uncommon and devastating complication with a high mortality rate due to limited available interventions required by expert hands in a small window of opportunity. Most commonly seen following delayed myocardial infarctions (MI), the rate of VSR has decreased partly from protocol driven reperfusion therapy; however, cases are still present, particularly when diagnosis is delayed. We present a case of a critically ill patient in cardiogenic shock following a large anterolateral wall ST-elevation MI complicated by a large VSR whom was transferred to our academic institution for percutaneous repair. Of note, such intervention was initially performed by Lock in 1988 and a comprehensive review published in 2016 noted only 273 such cases. This review noted patient cases since that initial percutaneous closure by Lock with a majority of cases utilizing an Amplatzer system; others being Clamshell and CardioSEAL. Our patient underwent the percutaneous VSR closure utilizing an Amplatzer Occluder delivery system with successful insertion of an 18 mm m