MEDICAL ABBREVIATIONS AND SYMBOLS (CONT)
mHg
milliliters of mercury
MI
myocardial infarction
ml
milliliter
MMPI
Minnesota Multiphasic Personality Inventory
MR
metabolic rate
mr; mR
milloroentgen
MS
multiple sclerosis
MV
mitral valve
N
normal (concentration)
NA
Nursing Assistant
NaPent
sodium Pentothal
NB
newborn
NBS
normal bowel sounds
NC
noncontributory
N/C
no complaint
ND
normal delivery
NDF
no disease found
NE
norepinephrine
neg
negative
NIH
National Institutes of Health
NKA
no known allergies
NOR; Noradr
noradrenaline
NP
neuropsychiatric
NPH
no previous history
npo
nothing by mouth
NR
normal range
nr
not to be repeated
NS
nervous system
MD0010
C-10