f&r - force and rhythm 
FA - fatty acid 
FAAN - Fellow of American Academy of N… 
FAAN - Fellow of the American Academy… 
FAAN - Fellow, American Academy of Nur… 
FAANP - Fellow of the American Academy… 
FAAPM - Fellow, American Academy of Pa… 
FAEN - Fellow, Academy of Emergency Nu… 
FASA - Federated Ambulatory Surgery As… 
FBS - fasting blood sugar 
fd - fatal dose 
fd - focal distance 
FDA - Food & Drug Administration 
FES - Functional Electrical Stimulatio… 
FEV - forced expiratory volume 
FFP - Fresh Frozen Plasma 
FNC - Family Nurse Clinician 
FNP - Family Nurse Practitioner 
FPNP - Family Planning Nurse Practitio… 
FRC - functional residual capacity 
FRCN - Fellow, Royal College of Nursin… 
FRCNA - Fellow, Royal College of Nursi… 
FTT - Failure to Thrive 
FU - Follow-Up 
FUO - Fever of Unknown Origin 
FVC - forced vital capacity 
fvd - fluid volume deficit 
Fx - fracture