Elderly pt p/w progressive dyspnea over many months found to have severe AS. Afebrile. What’s that structure in the LVOT? High surgical risk- how would you treat? #ACCFIT #CardioTwitter #EchoFirst pic.twitter.com/ANyILskW6z
— Musa A. Sharkawi, M.D. (@MusaSharkawiMD) October 8, 2020

Membrana Sub aórtica?