“…3,8 On the echocardiogram of this case (Figure 3D), a vegetation of 28 × 8 mm can be seen on the anterolateral papillary muscle. This is an unusual implantation site for vegetations originating with other pathogens 9,10 and had not been documented for S pyogenes . The risk of rupture of vegetations and/or papillary muscles is high when the former are >10 mm in diameter and according to the criteria of the European Society of Cardiology is an indication for emergency surgery.…”