+ Sortable table Abbreviation Meaning Fx fracture FA Fanconi anemia FAMMM syndrome familial atypical multiple mole melanoma syndrome FANA fluorescent antinuclear antibody test FAP familial adenomatous polyposis FAST focused assessment with sonography for trauma FB foreign body FBC Family Birth Center full blood count FBE full blood exam FBG fasting blood glucose FBS Failed back syndrome fasting blood sugar F/C fevers and/or chills F/C/S fevers and/or chills and/or sweating FCS Faciocutaneoskeletal syndrome FDC follicular dendritic cells fixed dose combination FDG fluordeoxyglucose FDIU fetal demise in utero FDP fibrin degradation product Flexor digitorum profundus FDS Flexor digitorum superficialis Fe iron FEF25–75 forced expiratory flow at 25–75% of forced vital capacityfem female femoral FEN Fluids, Electrolytes, Nutrition FEP free erythrocyte protoporphyrin fibroepithelial polyp FESS functional endoscopic sinus surgery FET frozen embryo transfer FEV1 forced expiratory volume in 1 second FF free fluids (non-thickened fluids) FFA free fatty acids FFP fresh frozen plasma FGR fetal growth restriction FHR fetal heart rate FHS fetal heart sound FHT fetal heart tones FHx family history (in medicine, meaning specifically the medical histories of family members and ancestors) FIBD found in bed dead FISH fluorescence in situ hybridization FL femur length FLAIR fluid-attenuated inversion recovery FLK funny-looking kid (slang reference to dysmorphic features) fl.oz. fluid ounce (1 Imperial fluid ounce ≈ 28.4 mL; 1 U.S. fluid ounce ≈ 29.6 mL) (use of these units is generally deprecated in modern medicine in favor of mL) FM fetal movement FMF fetal movements felt FMP first menstrual period (that is, menarche) FMPP Familial male precocious puberty fMRI functional magnetic resonance imaging FMS Fibromyalgia Syndrome F→N finger-to-nose test (one simple clinical test of motor coordination) FNA fine-needle aspiration FNAB fine-needle aspiration biopsy FNAC fine-needle aspiration cytology FNC full nursing care FND Functional neurologic disorder FNH focal nodular hyperplasia FOB Foot of Bed, father of baby, Fiberoptic Bronchoscopy FOBT fecal occult blood test FOF found on floor (patient fell out of bed) FOP Fibrousdysplasia ossificans progressiva FOS full of stool FOOSH fall on outstretched hand FP Family Planning FPG fasting plasma glucose FRDA Friedreich's ataxia FROM full range of motion FSBS finger-stick blood sugar (one method of blood glucose monitoring) FSE fetal scalp electrode FSGS focal segmental glomerulosclerosis FSH follicle-stimulating hormone FSIQ full scale intelligence quotient (Wechsler Intelligence Scale for Children) FTA fluorescent treponemal antibody (see syphilis) FTA-ABS fluorescent treponemal antibody absorption (see syphilis) FtM Female to Male transgender person (Trans Man) FTT failure to thrive F/U follow-up FUE Follicular Unit Extraction FUPA Fatty Upper Pelvic Region FUT Follicular Unit Transplantation FUO fever of unknown origin FVC forced vital capacity (spirometry test value used in assessment of chronic obstructive pulmonary disease) FWB full weight bearing fetal wellbeing FWD full ward diet forward Fx fracture fraction fxn function
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