Facial asymmetry
Facial edema
Facial nerve palsy
Facial pain
Falls
Fecal incontinence
Fecal occult blood test, positive
Ferritin, increased
Fetal distress
Fetal malposition
Fibrinogen, decreased
First trimester vaginal bleeding
Fixed split of second heart sound
Flank pain
Flow murmur
Follicle-stimulating hormone, decreased
Follicle-stimulating hormone, increased
Foot pain
Fourth heart sound