section name header

Front Matter

List of Abbreviations

Medical literature is riddled with a seemingly endless amount of different abbreviations, as especially clinicians are particularly fond of using them. This article has been designed to help our readers find out what most used acronyms and abbreviations stand for. Naturally we haven't listed all the abbreviations one can find in EBM Guidelines, but hopefully the most useful ones.

Medical abbreviations

A

B

E

F

G

K

L

M

N

  • NMDA
    • N-methyl-D-aspartate
  • NNT
    • number needed to treat
  • NPH
    • Neutral Protamine Hagedorn (insulin)
  • NSAID
    • non-steroidal anti-inflammatory drug
  • NYHA
    • New York Heart Association

R

U

V

W

Units (not in alphabetical order)

  • mm
    • millimetre
  • cm
    • centimetre
  • m
    • metre
  • m2
    • square metre
  • m3
    • cubic metre
  • gtt
    • guttae (Latin), drops
  • fl
    • femtolitre
  • µl
    • microlitre
  • ml
    • millilitre
  • cl
    • centilitre
  • l
    • litre
  • µg
    • microgram
  • mg
    • milligram
  • g
    • gram
  • kg
    • kilogram
  • sec.
    • second
  • min.
    • minute
  • h
    • hour
  • J
    • joule
  • MJ
    • megajoule
  • W
    • watt
  • kW
    • kilowatt
  • Pa
    • pascal
  • kPa
    • kilopascal
  • cal
    • calory
  • kcal
    • kilocalory
  • Hz
    • hertz
  • kHz
    • kilohertz
  • dB
    • decibel
  • mmHg
    • millimetre of mercury
  • mmol
    • millimole
  • IU
    • international unit

Latin abbreviations (not in alphabetical order)

  • ad.
    • addendum (Latin), to, until
  • ca.
    • circa, approximately
  • e.g.
    • exempli gratia (Latin), for example
  • etc.
    • et cetera (Latin), and so forth
  • i.e.
    • id est (Latin), that is, in effect
  • NB
    • nota bene (Latin), note well
  • Sic!
    • (Latin); thus, so (not a mistake and is to be read as it stands)

Pharmacological abbreviations (not in alphabetical order)

  • i.d.
  • i.m.
    • intramuscular
  • i.v.
    • intravenous
  • p.o.
  • p.r.
  • s.c.
  • o.d.
    • omni dei (Latin), once a day
  • b.i.d.
    • bis in die (Latin), twice a day
  • b.d.
    • bis in die (Latin), twice a day
  • t.i.d.
    • ter in die (Latin), three times a day
  • t.d.s.
    • ter die sumendus (Latin), three times a day
  • q.i.d.
    • quater in die (Latin), four times a day
  • q.d.s.
    • quarter die sumendus (Latin), four times a day
  • Example of drug dosage: 1 × 3 × 5
    • one tablet 3 times a day for 5 days