Posted on Authorea 23 Apr 2020 — CC BY 4.0 — https://doi.org/10.22541/au.158765855.54082016 — This a preprint and has not been peer reviewed. Data may be preliminary. Dextrocardia and Situs Viscerum Inversus: the Challenge of Operating on the Mirror Image Anatomy Marco Gennari 1 and Marco Agrifoglio 1 1 Centro Cardiologico Monzino Istituto di Ricovero e Cura a Carattere Scientifico April 28, 2020 Abstract Situs viscerum inversus always poses clinical and diagnostic challenge. We report the case of an unexpected and late discover of dextrocardia requiring aortic valve replacement. Hosted file Manuscript.doc available at https://authorea.com/users/314418/articles/444795-dextrocardia-and- situs-viscerum-inversus-the-challenge-of-operating-on-the-mirror-image-anatomy 1