There are multiple definitions:

1. free breathing(English)

   • BH, CMR
   • Medical imaging

2. flexible bronchoscopy(English)

   • an invasive procedure that is utilized to visualize the nasal passages, pharynx, larynx, vocal cords, and tracheal bronchial tree. Applied for both the diagnosis and treatment of lung disorders
   • FFB, ICU, TBB
   • Pulmonology, Diagnostics
   • https://doi.org…3692(15)33707-7

3. Facebook(English)

   • Communication
   • https://www.facebook.com/

4. fiberoptic bronchoscopy(English)

   • refers to diagnostic procedures in carcinomatous solitary pulmonary nodules and masses
   • BMDP, BS, BW, TBB, TBNA
   • Pulmonology, Oncology, Diagnostics
   • https://doi.org….1159/000029237

5. facet blocking(English)

   • ODI, OVCF, PVP, RMD, SF-36, SMC, SPC, VAS
   • Spine (or spinal cord), Pain
   • https://doi.org…0586-016-4425-4

6. fluid balance(English)

   • CO, CVP, EDV, ESV, HLHS, PICU, VAC, VIS, LCOS
   • Physiology, Cardiology, Hemodynamics, Surgery, Pediatrics
   • https://doi.org…93/icvts/ivz319