A1C glycosylated hemoglobin
AAT activity as tolerated
ABD Apneic, bradycardic or desaturation spells
ABG arterial blood gas
ABI acquired brain injury, ankle-brachial index
ABPM ambulatory blood pressure monitor
Abx antibiotics
AC abdominal circumference (obstetric ultrasound); assist control (ventilation)
ACLS acute cardiac life support
ACS acute coronary syndrome
ADD attention deficit disorder
ADHD attention deficit hyperactivity disorder
ADL activities of daily living
AED automated external defibrillator
AEEB air entry equal bilaterally
AFI amniotic fluid index
AHF acute heart failure
ALB albumin
ALP alkaline phosphatase
ALTE apparent life threatening event
AML acute myelogenous leukemia; angiomyolipoma
AMTSL active management of the third stage of labour
ANS autonomic nervous system
AOM acute otitis media
APUD amine, precursor uptake, decarboxylase (apudoma: e.g. carcinoid))
ART assisted reproductive technology
ASCUS atypical squamous cells of unknown significance (Pap smear))
ASD autism spectrum disorder
ASHD ateriosclerotic heart disease
ASOT anti-streptolysin titre
ATLS acute trauma life support
AZT azidothymidine (zidovudine; antiretroviral: NRTI)
B/L bilateral
BCP birth control pill
BF breast feeding
BFOD breast feed on demand
BG blood glucose
BLES bovine lipids extract surfactant
BLS basic life support
BMD bone mineral density
BMI body mass index
BP blood pressure
BPD biparietal diameter (obstetric U/S); bronchopulmonary displasia (neonatology)
BPI brachial plexus injury
BPP biophysical profile
BPV benign positional vertigo
BS bowel sounds
BSA body surface area
BSO bilateral salpino-oophorectomy
BUN blood urea nitrogen
BW blood work
C/D/I clean, dry, and intact
C/O complains of
C/S caesarian section
CABG coronary artery bipass graft
CAD coronary artery disease
CAH congenital adrenal hyperplasia
CAP community acquired pneumonia
CAT computerized axial tomography; a common, furry housepet
CBC complete blood count
CBP care by patient
CBT cognitive behavioral therapy
CC chief complaint
CCB calcium channel blocker
CES cholesterol embolization syndrome
CHF congestive heart failure
CIN cervical intraepithelial neoplasm
CIS carcinoma in situ
CK creatinine kinase
CKD chronic kidney disease
CMV cytomegalovirus
COPD chronic obstructive pulmonary disorder
CP chest pain
CPD cervical-pelvic disproportion
CPP cumulative patient profile
CPR cardiopulmonary resuscitation
CPSO College of Physicians and Surgeons of Ontario
Cr creatinine
CRL crown-rump length
CRP C-reactive protein
CSF cerebrospinal fluid
CT computed tomography
CTS carpal tunnel syndrome, Canadian Thoracic Society
CTX contractions
CVA Cerebrovascular accident
D/C dilation and curettage; discharge; discontinue
D5W dextrose 5% solution
D50W dextrose 50% solution
DAT diet as tolerated
DBP diastolic blood pressure
DCBE double contrast barium enema
DDx differential diagnosis
DHEAS dehydroepiandrosterone sulfate
DHT dihydrotestosterone
DIC disseminated intravascular coagulation; death is coming
DKA diabetic ketoacidosis
DLD developmental language delay
DM diabetes mellitus
DMARD disease modifying anti-rheumatic drug
DPI dry powder inhaler
DSM diagnostic and statistics manual (psychiatry)
DVA developmental venous anomaly
DVT deep vein thrombosis
Dx diagnosis
EBM evidence-based medicine; expressed breast milk; egg and bacon McMuffin
ECG electrocardiogram
ECMO extracorporeal membrane oxygenation
EF ejection fraction
EFM electronic fetal monitoring
eGFR estimated glomerular filtration rate
EHS extra heart sounds
EIA enzyme immunoassay
EKG electrocardiogram
ELISA enzyme-linked immunosorbant assay
EMR electronic medical record
ENT ear, nose, and throat
EOM extra-ocular muscles
EOMI extra-ocular movements intact
ERCP endoscopic retrograde cholangiopancreaticography
ERCS elective repeat Cesarean section
ESR erythrocyte sedimentation rate
ESRD end-stage renal disease
EtOH alcohol
ETT endotracheal tube
F/L/N fluid, lytes, and nutrition (neonatology)
F/U follow-up
FB foreign body
FBS fasting blood sugar
FD family doctor
FEV1 forced expiratory volume in 1 second
FeWB feather-weight bearing
FFP fresh frozen plasma
FHR fetal heart rate
FHx family history
FiO2 fraction of inspired oxygen
FL femur length (obstetrical U/S)
Flu influenza infection
FM fibromyalgia
FND focal neurological deficit
FP family physician
FPG fasting plasma glucose
FTN finger-to-nose
FTT failure to thrive
FVC full vital capacity
FWB full weight bearing
G/U genitourinary (system)
GAD generalized anxiety disorder
GAEB good air entry bilaterally
GALT gastric-associated lymphoid tissue
GCS Glasgow coma scale
GCT glucose challenge test
GDD global developmental delay
GDM gestational diabetes mellitus
GERD gastroesophageal reflux disease
GI gastrointestional
GIST gastrointestinal stromal tumor
GMC generalized medical condition
GTN gestational trophoblastic neoplasia; glyceryl trinitrate (nitroglycerine)
GU genitourinary
H1N1 swine flu
H5N1 avian flu
HAART highly active anti-retroviral therapy
hCG human chorionic gonadotropin
HDP hypertensive disorders in pregnancy
HF heart failure
HF-PEF heart failure, preserved ejection fraction
HF-REF heart failure, reduced ejection fraction
HI homicidal ideation
HIDA hepatic iminodiacetic acid (scan)
HIT heparin-induced thrombocytopenia
HMF human milk fortifier
hMPV human metapneumovirus
HOCM hypertrophic obstructive cardiomyopathy
HONK hyperosmolar nonketotic state
HPI history of presenting illness
HPV human papillomavirus
HSG hysterosalpingogram
HSIL high-grade squamous intraepithelial lesion (Pap smear))
HSM hepatosplenomegaly
HSV herpes simplex virus
HTN hypertension
HTS Heel-to-shin
HUS hemolytic-uremic syndrome; head U/S
HVPG hepatic venous pressure gradient
Hx history
Hz frequency (Hertz)
IAC internal auditory canal
IADL instrumental activites of daily living
ICSI intracytoplasmic sperm injection
ID identification, infectious diseases
IDDM insulin dependent diabetes mellitus
IDM infants to diabetic mothers
IFG impaired fasting glucose
ILI influenza-like illness
INR international normalized ratio
ISMN isosorbide mononitrate
ITP idiopathic thrombocytopenic purpura
IU international unit
IUGR intrauterine growth restriction
IV intravenous
IVF in vitro fertilization
IVH intraventricular hemorrhage
IVR intravenous re-hydration; interventional radiology
JP Jackson-Pratt (surgical drain)
LLETX large loop excision of transformation zone (CIN)
LM landmarks
LMA laryngeal mask airway
LMP last menstrual period
LOC level of consciousness; loss of consciousness
LOL little old lady
LOS length of stay
LSIL low grade squamous interepithelial lesion
MAHA microangiopathic hemolytic anemia
MALT mucosa-associated lymphoid tissue
MDI metered dose inhaler
MEN multiple endocrine neoplasia
MFM maternal-fetal medicine
MMC migrating motor/myoelectric complex
MMSE mini-mental state exam
MNE monosymptomatic nocturnal enuresis
MOCA Montreal Cognitive Assessment
MR mental retardation
MRA mineralocorticoid receptor agonist
MRCP Magnetic resonance cholangiopancreatography
MRP most responsible physician
MSE mental status exam
MSK musculoskeletal
MSM men who have sex with men
MSSU mid-stream sample of urine
MSUD maple syrup urine disease
MTC medullary thyroid carcinoma
NAD no apparent distress
NAFLD non-alcoholic fatty liver disease
NAS neonatal abstinence syndrome
NEC necrotizing enterocolitis
NIDDM non-insulin dependent diabetes mellitus
NIV non-invasive ventilation
NP natriuretic peptide
NPH neutral protamine hagedorn (insulin)
NRTI nucleoside-analog reverse transcriptase inhibitor
NS normal saline
NST non-stress test
NUD non-ulcer dyspepsia
NYHA New York Heart Association
O/E on exam
O157H7 shiga toxin producing enteroinvasive E. coli strain
OA osteoarthritis
OAB over-active bladder
OCD obsessive-compulsive disorder
OCP oral contraceptive pill
OCT optical coherence tomography
OD once daily (omni en die), oral dose, right eye (oculus dexter)
ODB Ontario drug benefit
OGTT oral glucose tolerance test
OHIP Ontario Health Insurance Program
OP osteoporosis
ORA on room air
ORT oral rehydration therapy
OS left eye (oculus sinister)
PAPPA pregnancy-associated plasma protein A
PCOS polycystic ovary syndrome
PCP Pneumocystis jiroveci pneumonia; Phencyclidine
PDA patent ductus arteriosus; personal digital assistant
PDD premenstrual dysphoric disorder
PE pulmonary embolism
PEA pulseless electrical activity
PEEP positive end-expiratory pressure
PEFR peak expiratory flow rate
PERL pupils equal and reactive to light
PERRLA pupils equal, round, reactive to light, and accommodate
PET pre-eclamptic toxemia; positron-emission tomography; animals with little practical application maintained in human residences
PEx physical exam
PFO patent foramen ovale
PFT pulmonary function test
PG plasma glucose
PHP primary hyperparathyroidism
PID pelvic inflammatory disease
PIH pregnancy-induced hypertension
PMB post-menopausal bleeding
PMDD pre-menstrual dysphoric disorder (DSM-IV))
PMHx past medical history
PMS pre-menstrual syndrome
PNS parasympathetic nervous system
PNV pre-natal vitamin
PO by mouth (per os)
POC products of conception
POP pelvic organ prolapse
PPD purified protein derivative (of tuberculin)
PPHN persistent pulmonary hypertension of the newborn
PPROM preterm premature rupture of membranes
PPS palliative performance scale
PR by rectum (per rectum)
PRN as needed (pro re nata)
PROM prolonged rupture of membranes; premature rupture of membranes
PSHx past surgical history
PSVVG pressure support ventilation volume guarantee
PTC percutaneous transhepatic cholangiography
PTL preterm labour
PTSD post-traumatic stress disorder
PUD peptic ulcer disease
PV by vagina (per vaginam
PVB par vaginal bleeding
PVD peripheral vascular disease
QAM in the morning (quaque die ante meridiem)
QH quaque hora
QHS at bedtime (quaque hora somni)
QID four times a day (quattuor in die)
QPM quaque de post meridiem
R/O rule out
RA rheumatoid arthritis
RAD reactive airway disease
RBUS renal and bladder ultrasonography
RDS respiratory distress syndrome
Resp respiratoy
RF risk factors
RMI risk of malignancy index (for ovarian mass)
ROM range of motion
ROS review of systems
ROSC return of spontaneous circulation
RR red reflex
RSV respiratory syncytial virus
RTA renal tubular acidosis
RTC return to clinic
RVR rapid ventricular rate
Rx prescription; treatment
S/D syndrome
SAAG serum-ascites albumin gradient ([serum albumin] - [ascites albumin])
SAC Standardized Assessment of Concussion Tool
SBI serious bacterial infection
SBP subacute bacterial peritonitis; systolic blood pressure
SC subcutaneous
SCAT Sport Concussion Analysis Tool
SCM sternocleidomastoid
SERM selective estrogen receptor modulator
SGA small for gestational age
SHBG sex hormone binding globulin (testosterone and estradiol)
SHx social history
SI suicidal ideation
SIDS sudden infant death syndrome
SIMV synchronized intermittent mandatory ventilation
SMO supramalleolar orthotic
SNS sympathetic nervous system; supplemental nutritional system
SOB shortness of breath
SPA suprapubic aspirate
SPEP serum protein electrophoresis
SS sliding scale
SSx signs and symptoms
STD sexually transmitted disease
STI sexually transmitted infection
SVC slow vital capacity
SVD spontaneous vaginal delivery
SVT supra-ventricular tachycardia
Sx symptoms
TAH total abdominal hysterectomy
TB tuberculosis
TED thromboembolic deterrent stockings
TFI total fluid intake (neonatology)
TID ter in die
TIPSS transjugular intrahepatic portosystemic shunt
TKVO to keep vein open
TLC total lung capacity
TLH total laproscopic hysterectomy
TM tympanic membrane
TMB too many birthdays
TOL trial of labor
TPN total parenteral nutrition
TS tuberous sclerosis
TSB total serum bilirubin
TSH thyroid stimulating hormone
TTG tissue transglutaminase
TTN transient tachypnea of the newborn
TVH transvaginal hysterectomy
TVT tension-free vaginal tape
U/S ultrasound
UAC umbilical artery catheter
UPEP urine protein electrophoresis
URTI upper respiratory tract infection
USI urodynamic stress incontinence
UVC umbilical vein catheter
VA visual acuity
VAP ventilator-associated pneumonia
VBAC vaginal birth after Caesarean
VCUG voiding cystourethrogram
VIN vulvar intraepithelia neoplasia
VIP vasoactive intestinal peptide
VSA vital signs absent
VSS vital signs stable
VSSA vital signs stable, afebrile
VTE venous thromboembolism
VUR vesicoureteral reflux
vWD von Willebrand disease
vWF von willebrand factor
W/O without