Blastocyst or Blastomycosis?: A Rare Presentation of Disseminated Blastomycosis With Cardiac Involvement in Pregnancy

Disseminated blastomycosis with cardiac manifestations is exceedingly rare. Here we present the first known case of disseminated, cardiac blastomycosis in a pregnant patient. Antifungal medications and a multidisciplinary, nonsurgical approach were successful in eradicating the fungal cardiac mass and in preventing vertical transmission to the fetus. (Level of Difficulty: Advanced.)