Common Abbreviations

ABG Arterial blood gas M meter
AC before meals  MAOI monoamine oxidase inhibitor
ACE      angiotensin-converting enzyme     mcg microgram
ACTH adrenocorticotopic hormone MDI metered dose inhaler
AD right ear mEq   milliequivalent
ADH antidiuretic hormone mg   milligram
AER aerosol   Mg  magnesium
AIDS    acquired immunodeficiency Syndrome MI myocardial infarction
ALT alanine aminotrasferase, serum  MIN  minute
ANA antinuclear antibody  ml milliliter
AS left ear mm millimeter
AST  aspartate aminotransferase, serum mmol millimole
AU  each ear MS   musculoskeletal
AUC area under curve   MS morphine sulfate
AV atrioventricular
Na sodium
BID  twice daily  NEB nebulizer
NPO nothing by mouth 
Ca Calcium NS  normal saline  
CAD coronary artery disease NSAID nonsteroidal
CAP     capsule
CATH  catheterize OD right eye
CBC complete blood count   OINT ointment
CC cubic centimeter OS left eye
CHF congestive heart failure OTC over the counter
Cl chloride OU each eye
CMV cytomegalovirus  oz ounce
CNS central nervous system
COPD chronic obstructive pulmonary disease PC after meals
CPK creatine phosphokinase PO by mouth
CrCl   creatinine clearance  PR per rectum
CSF cerebral spinal fluid PRN as needed
CV cardiovascular PT prothrombin time
CVA cardiovascular accident  PTH parathyroid hormone
CVP  central venous pressure PTT partial thromboplastin time
CXR  chest x-ray PVC premature ventricular contractions
D5W 5% dextrose in water Q every
D50W 50% dextrose in water QAM every morning
DNA  deoxyribonucleic acid  QD every day
DUB dysfunctional uterine bleeding  QH every hour
Q4H every 4 hours
ECG  electrocardiogram   QID 4 times a day
EEG  electroencephalogram  QOD every other day
EENT eye, ear, nose, throat  QPM every evening
EKG electrocardiogram
ELIX elixir  RBC red blood cell
ESR erythocyte sedimentation rate RESP respiratory
ET via endotracheal tube  RNA ribonucleic acid
FSH             Follicle stimulating hormone SC  subcutaneous (beneath the skin)
g    gram SL sublingual (beneath the tongue
G6PD glucose-6-phosphate dehydrogenase SOL Solution
GI gastrointestinal SS one half
GTT drop SUPP suppository
SUSP suspension
H2 histamine 2 SUST sustained
HCT hematocrit SYR syrup
HCG  human chorionic gonadotropin
HEME hematologic T3 triiodothyronine
HGB hemoglobin    T4 thyroxine
HMG CoA 3-hydroxy 3-methyl-glutaryl coenzyme A TAB tablet
HR hour TID three times a day
HS at bedtime TINC tincture
HSV herpes simplex virus TRANS transdermal
TSH thyroid stimulating hormone
IgG   immunoglobulin G TT thrombin time
IM intramuscular unit
INF             infusion U
INH inhalation UA urinalysis
INJ injection URI upper respiratory infection
IV intravenous UV ultraviolet
K  potassium VAG vaginal
KG kilogram VOL volume
VS vital signs
L liter
LDL low density lipoprotein WBC white blood count
LH luteinizing hormone WK week
LIQ liquid
LOZ lozenge YR year
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