While performing an echocardiogram on a 70-year-old female,…

While performing an echocardiogram on a 70-year-old female, the findings indicate a 0.9 cm aortic cusp separation by M-mode, calcified aortic valve leaflets, the IVSd measures 1.5cm, the LVIDd is 5.8cm, the LVIDs is 5.2cm and the LVPWd is 1. 5cm. What is your preliminary diagnosis?