ABG(s)— arterial blood gas(es)
ACE— angiotensin-converting enzyme
ADHD— attention-deficit hyperactivity disorder
AIDS— acquired immunodeficiency syndrome
ALT— alanine aminotransferase, serum
ANC— absolute neutrophil count
aPTT— activated partial thromboplastin time
AST— aspartate aminotransferase, serum
AV— atrioventricular
bid— twice per day
B/P— blood pressure
BSA— body surface area
BUN— blood urea nitrogen
CBC— complete blood count
Ccr— creatinine clearance
CNS— central nervous system
CO— cardiac output
COPD— chronic obstructive pulmonary disease
CPK— creatine phosphokinase
CSF— cerebrospinal fluid
CT— computed tomography
CVA— cerebrovascular accident
D5W— dextrose 5% in water
dl— deciliter
DNA— deoxyribonucleic acid
EEG— electroencephalogram
EKG— electrocardiogram
esp.— especially
g— gram
GGT— gamma glutamyl transpeptidase
GI— gastrointestinal
GU— genitourinary
H2— histamine
Hct— hematocrit
HDL— high-density lipoprotein
HF— heart failure
Hgb— hemoglobin
HIV— human immunodeficiency virus
HMG-CoA— 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors (statins)
hr/hrs— hour/hours
HTN— hypertension
I&O— intake and output
ICP— intracranial pressure
ID— intradermal
IgA— immunoglobulin A
IM— intramuscular
IOP— intraocular pressure
IV— intravenous
K— potassium
kg— kilogram
LDH— lactate dehydrogenase
LDL— low-density lipoprotein
LOC— level of consciousness
MAC— Mycobacterium avium complex
MAOI— monoamine oxidase inhibitor
mcg— microgram
mEq— milliequivalent
mg— milligram
MI— myocardial infarction
min— minute(s)
mo/mos— month/months
N/A— not applicable
Na— sodium
NaCl— sodium chloride
NG— nasogastric
NSAID(s)— nonsteroidal anti-inflammatory drug(s)
OD— right eye
OS— left eye
OTC— over the counter
OU— both eyes
PCP— Pneumocystis jiroveci pneumonia
PO— orally, by mouth
prn— as needed
PSA— prostate-specific antigen
pt/pts— patient/patients
PT— prothrombin time
PTCA— percutaneous transluminal coronary angiography
q— every
qid— four times daily
RBC— red blood cell count
REM— rapid eye movement
RNA— ribonucleic acid
SA— sinoatrial node
sec— second(s)
SSRI— selective serotonin reuptake inhibitor
tbsp— tablespoon
tid— three times daily
TNF— tumor necrosis factor
tsp— teaspoon
UTI— urinary tract infection
VLDL— very-low-density lipoprotein
WBC— white blood cell count
wk/wks— week/weeks
yr/yrs— year/years