There are multiple definitions:

1. fibroelastic deficiency(English)

   • may refer to etiologic role in primary mitral regurgitation
   • BD, FF, GLS, HF, MR, MV, MAD, MVP
   • Cardiology, Materials science, Pathology
   • https://doi.org…cmg.2019.03.024
   • https://doi.org…886-022-01806-1

2. Fuch's endothelial dystropy(English)

   • BCVA, DMEK, DSAEK, NRS, PBK
   • Ophthalmology, Pathology
   • https://doi.org…8.CD012097.pub2

3. furosemide equivalent dose(English)

   • ACEi, AHF, ARB, ARNI, BUN, eGFR, HF, IHD, LVEF, MRA, NT-proBNP, NYHA, RCS
   • Cardiology, Pharmacology / pharmaceutics
   • https://doi.org….1002/ejhf.3252