F
female
FA
first aid
FB
foreign body
FBC
full blood count / female breast cancer / fluid balance chart
FBG
fasting blood glucose
FBS(L)
fasting blood sugar (level)
FHR
foetal heart rate
Fl
fluid
FMF
foetal movements felt
FMNF
foetal movements not felt
FOBT
faecal occult blood test
ft
foot
FUO
fever of unknown origin
Fx
fracture
FFTS
fits, faints and funny turns
FH/FHx
family history
FI
for investigation
Fi O2
fraction of inspired oxygen
FOOB
fell out of bed
FPG
fasting plasma glucose
FT
full term
FTA
failure to attend
F/U
follow up
4WF
four-wheeled frame