(1/2) Prosthetic valve thrombosis (Evolut PRO 29 mm, implanted 1.5 years prior): treated with anticoagulation. Two CTs done 5 months apart. Video 1: Severe thickening of the leaflets with anatomic valve area of 1 cm2. @SachinGoelMD@SLittleMD@NadeenFaza@HMHCardioFellow