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Introduction The field of transcatheter structural heart interventions has grown tremendously in recent years. Because operators are not able to directly visualize the cardiac anatomy during percutaneous procedures, live imaging is a critical component of safely and successfully performing these…

1 What is the prevalence of aortic stenosis? What are the trends in aortic stenosis with age? Aortic stenosis (AS) ( Fig. 29.1 ) is the second most common valvular heart disease in the community, and the most frequent single-valve…