B
bacillus / bath / blood
BCC
basal cell carcinoma
BK
below knee
BKA
below knee amputation
BM
bowel movement
BMD
bone mineral density
BMI
body mass index
BMR
basal metabolic rate
BNO
bowels not opened
BOO
bladder outlet obstruction
BP
blood pressure
BPH
benign prostatic hypertrophy
BPM
beats per minute
Br
breech (pregnancy)
BR
bed rest
BS
bowel sounds / breath sounds / blood sugar
BSL
blood sugar level
BT
bleeding time
BW
birth weight / body weight / bi-weekly
Bx
biopsy
// bars
parallel bars
BAD
bipolar affective disorder
BAL
blood alcohol level
BAw
breast awareness