Abbreviations and Acronyms for Medical Terms

Abbreviations and Acronyms for Medical Terms

Doctors often use abbreviations or shortened forms of medical terms while writing prescriptions and recording information about their patients. This HealthHearty write-up provides a list of abbreviations and acronyms for medical terms.
HealthHearty Staff
Last Updated: Mar 12, 2018
Several medical abbreviations are commonly used by doctors while writing prescriptions and completing the patient charts and medical records. These acronyms or short forms allow the doctors to quickly record information about the condition of their patients. While going through this list, you will find abbreviations and acronyms for medical conditions/diseases, different types of drugs, diagnostic tests and procedures, medical state of the patient, anatomical structures, specific treatment options, names of enzymes or hormones, and general terms that are used in the healthcare industry.
AAA
Abdominal Aortic Aneurysm

AAD
Antibiotic-associated Diarrhea

AAO
Alert, awake and oriented

AAS
Acute Abdominal Series

AB
Abortion

ab
Abdomen

ABD
Abdomen

ABE
Acute Bacterial Endocarditis

ABG
Arterial Blood Gas

ABI
Acquired Brain Injury

AC
Before meal

ACB
Aortocoronary Bypass

ACD
Anemia of Chronic Disease

ACE
Angiotensin-Converting Enzyme

ACL
Anterior Cruciate Ligament

ACLS
Advanced Cardiac Life Support

ACS
Acute Coronary Syndrome

ACTH
Adrenocorticotropic Hormone

AD
Alzheimer's Disease

ADA
Adenosine Deaminase

ADD
Attention Deficit Disorder

ADH
Antidiuretic Hormone

ADHD
Attention Deficit Hyperactivity Disorder

ADR
Adverse Drug Reaction

ADR
Acute Dystonic Reaction

AE
Hyperkalemia

AED
Antiepileptic Drug

AED
Automated External Defibrillator

AF
Atrial Fibrillation or afebrile

AF
Amniotic Fluid

AFB
Acid-fast bacilli

AFP
Alpha-fetoprotein

AGN
Acute Glomerulonephritis

AI
Artificial Insemination or Aortic Insufficiency

AIDS
Acquired Immune Deficiency Syndrome

AIPD
Acute Infectious and Parasitical Diseases

AIPD
Autoimmune Progesterone Dermatitis

AIPD
Acute Inflammatory Demyelinating Polyneuropathy

AIN
Acute Interstitial Nephritis

AKA
Above the Knee Amputation

ALA
Aminolevulinic Acid

Alc
Alcohol

ALD
Alcoholic Liver Disease

ALG
Anti-lymphocytic Globulin

ALI
Acute Lung Injury

ALL
Acute Lymphoblastic Leukemia

ALP
Alkaline Phosphatase

ALPS
Autoimmune Lymphoproliferative Syndrome

ALS
Amyotrophic Lateral Sclerosis

ALT
Alanine Transaminase

amb
Ambulate

AMI
Acute Myocardial Infarction

AML
Acute Myeloid Leukemia

AMS
Acute Mountain Sickness

ANA
Antinuclear Antibody

ANS
Autonomic Nervous System

AODM
Adult-Onset Diabetes Mellitus (Type 2 Diabetes)

AOM
Acute Otitis Media

APC
Atrial Premature Contraction

APD
Adult Polycystic Disease

APECED
Autoimmune Polyendocrinopathy-Candidiasis-ectodermal dystrophy

APH
Antepartum Hemorrhage

APKD
Adult Polycystic Kidney Disease

APLS
Antiphospholipid Syndrome

APR
Abdominoperineal Resection

APS
Autoimmune Polyendocrine/Polyglandular Syndrome

APTT
Activated Partial Thromboplastin Time

ARC
AIDS-related Complex

ARDS
Acute Respiratory Distress Syndrome

ARF
Acute Renal Failure

Arg
Arginine

ARM
Artificial Rupture of Membranes

ART
Antiretroviral Therapy

ARVC
Arrhythmogenic Right Ventricular Cardiomyopathy

ARVD
Arrhythmogenic Right Ventricular Dysplasia

AS
Aortic Stenosis

ASA
Acetylsalicylic Acid (Aspirin)

ASAP
As soon as possible

ASCAD
Arteriosclerotic Coronary Artery Disease

ASCVD
Arteriosclerotic Vascular Disease (Arteriosclerosis)

ASD
Autism Spectrum Disorder

ASD
Atrial Septal Defect

ASGUS
Atypical Squamous Glandular Cells of Undetermined Significance

ASHD
Arteriosclerotic Heart Disease (Coronary Heart Disease)

ASIS
Anterior Superior Iliac Spine

ASO
Antistreptolysin-O

AST
Aspartate Transaminase

ATN
Acute Tubular Necrosis

ATNR
Asymmetrical Tonic Neck Reflex

ATP
Adenosine triphosphate

ATP
Acute Thrombocytopenic Purpura

ATS
Anti-tetanus Serum

AV
Arteriovenous/Atrioventricular

AVM
Arteriovenous Malformation

AVR
Aortic Valve Replacement

AXR
Abdominal X-Ray

AZT
Azidothymidine

a.a.
Amino Acids

A-a gradient
Alveolar to Arterial Gradient

A/G
Albumin/Globulin ratio

A-V
Arteriovenous

A-VO2
Arteriovenous Oxygen

BAC
Blood Alcohol Content

BAL
Blood Alcohol Level

BAL
Bronchoalveolar Lavage

BAO
Basic Acid Output

BAT
Brown Adipose Tissue

BBB
Bundle Branch Block

BBB L
Left Bundle Branch Block

BBB R
Right Bundle Branch Block

BC
Blood Culture

BCAA
Branched Chain Amino Acid

BCC
Basal Cell Carcinoma

BCG
Bacille Calmette-Guerin (Tuberculosis Vaccination)

BCP
Birth Control Pill

BD
Bipolar Disorder

BDD
Body Dysmorphic Disorder

BDI
Beck Depression Inventory

BE
Barium Enema

BEE
Basal Energy Expenditure

BGAT
Blood Glucose Awareness Training

BGL
Blood Glucose Level

bid
Twice a day

BiPAP
Bi-level Positive Airway Pressure

BiVAD
Bilateral Ventricular Assist Device

BK
Bradykinin

BKA
below-the-knee amputation

bld
Blood

BM
Bone Marrow

BM
Bowel Movement

BMC
Bone Mineral Content

BMD
Bone Mineral Density

BMI
Body Mass Index

BMP
Blood Metabolic Profile

BMR
Basal Metabolic Rate

BMT
Bone Marrow Transplant

BNP
Brain Natriuretic Peptide

BOM
Bilateral Otitis Media

BOOP
Bronchiolitis Obliterans Organizing Pneumonia

BP
Blood Pressure

BPAD
Bipolar Affective Disorder

BPD
Borderline Personality Disorder

BPH
Benign Prostatic Hyperplasia

BPM
Beats Per Minute

BPPV
Benign Paroxysmal Positional Vertigo

BRBPR
Bright Red Blood Per Rectum

BRCA 1
Breast Cancer 1 (human gene and protein)

BS
Blood Sugar

BS
Breath Sound, Bowel Sounds

BSA
Body Surface Area

BSE
Bovine Spongiform Encephalopathy

BSL
Blood Sugar Level

BRBPR
Bright Red Blood Per Rectum

BRP
Bathroom Privileges

BT
Bleeding Time

BTL
Bilateral Tubal Ligation

BTP
Breakthrough Pain

BUN
Blood Urea Nitrogen

BVP
Biventricular Vaginosis

BW
Body Weight

Bx
Biopsy

CA
Carcinoma

CA
Cancer

Ca
Calcium

CAA
Crystalline Amino Acids

CABG
Coronary Artery Bypass Graft Surgery

CAD
Coronary Artery Disease

CADASIL
Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy

CAG
Coronary Artery Graft

CAG
Coronary Angiography

CAH
Chronic Active Hepatitis

CAH
Congenital Adrenal Hyperplasia

cAMP
Cyclic Adenosine Monophosphate

CAPD
Central Auditory Processing Disorder

CAPD
Continuous Ambulatory Peritoneal Dialysis

Caps
Capsule

CAT
Computed Axial Tomography

CBC
Complete Blood Count

CBG
Capillary Blood Gas

CBS
Chronic Brain Syndrome

cc
Cardiac Catheter

CC
Chief Complaint

CCF
Congestive Cardiac Failure

CCK
Cholecystokinin

CCR
Cardiocerebral Resuscitation

CCU
Coronary Care Unit

CCU
Clean Catch Urine

CCV
Critical Closing Volume

CDH
Congenital Dislocated Hip

CDP
Cytosine Diphosphate

CEA
Carcinoembryonic Antigen, Carotid Endarterectomy

CF
Cystic Fibrosis

CFS
Chronic Fatigue Syndrome

CGL
Chronic Granulocytic Leukemia

cGMP
Cyclic Guanosine Monophosphate

CGN
Chronic Glomerulonephritis

CH
Congenital Hypothyroidism

CHD
Chronic Heart Disease

CHD
Coronary Heart Disease

ChE
Cholinesterase

CHF
Congestive Heart Failure

CHO
Carbohydrate

Chol
Cholesterol

CHT
Congenital Hypothyroidism

CI
Cardiac Index

CICU
Cardiac Intensive Care Unit

CIDP
Chronic Inflammatory Demyelinating Polyneuropathy

Circ
Circumcision

CIS
Carcinoma in situ

CJD
Creutzfeldt-Jakob Disease

CKD
Chronic Kidney Disease

CKMB
MB isoenzyme of creatine kinase

CLL
Chronic Lymphocytic Leukemia

CML
Chronic Myelogenous Leukemia/Chronic Myeloid Leukemia

CMML
Chronic Myelomonocytic Leukemia

CMP
Cytosine Monophosphate

CMS
Chronic Mountain Sickness

CMV
Cytomegalovirus

CN
Cranial Nerves

CNS
Central Nervous System

CO
Cardiac Output, Carbon Monoxide

CO2
Carbon Dioxide

COAD
Chronic Obstructive Airways Disease

COCP
Combined Oral Contraceptive Pill

COLD
Chronic Obstructive Lung Disease

Conj
Conjunctiva

COPD
Chronic Obstructive Pulmonary Disease

COX-1
Cyclooxygenase 1

CP
Cerebral Palsy

CP
Chest Pain

CPAP
Continuous Positive Airway Pressure

CPK
Creatine Phosphokinase

CPK-2/CPKMB
Creatine Phosphokinase (Found in the heart)

CPP
Cerebral Perfusion Pressure

CPR
Cardiopulmonary Resuscitation

CPT
Current Procedural Terminology

CrCl
Creatinine Clearance

CREST
Calcinosis Raynaud Esophagus Sclerosis Teleangiectasiae

CRF
Chronic Renal Failure

CRF
Corticotropin-releasing factor

CRH
Corticotropin-releasing hormone

CRI
Chronic Renal Insufficiency

CRNS
Certified
Registered Nurse Anesthetist

CRP
C-Reactive Protein

CRT
Cardiac Resynchronization Therapy

CsA
Cyclosporin A

CSF
Cerebrospinal Fluid

CT
Computerized Tomography

CTA
Computed Tomography Angiography

CTP
Cytosine Triphosphate

CTS
Carpal Tunnel Syndrome

CTU
Cancer Treatment Unit

CTX
Ceftriaxone Contractions

CV
Cardiovascular

CVA
Costovertebral Angle

CVA
Cerebrovascular Accident

CVAT
CVA tenderness

CVC
Central Venous Catheter

CVC
Chronic Venous Congestion

CVD
Cardiovascular Disease

CVI
Cardiovascular incident

CVID
Common Variable Immunodeficiency

CVP
Central Venous Pressure

CVS
Cardiovascular System

CXR
Chest X-Ray

C/O
Complaining of

C&S
Culture & Sensitivity

C-Section
Cesarean Section

D5W
5% dextrose in water

DAT
Direct Antiglobulin Test

DAT
Diet as tolerated

DAW
Dispense as written

DBP
Diastolic Blood Pressure

DBS
Deep Brain Stimulation

DBT
Dialectical Behavioral Therapy

DC
Discharge or Discontinue

DCBE
Double Contrast Barium Enema

DCIS
Ductal Carcinoma in situ

DCM
Dilated Cardiomyopathy

DDD
Daily Defined Doses

DDS
Doctor of Dental Surgery

DDx
Differential Diagnosis

DES
Diethylstilbestrol

Detox
Detoxification

DEXA
Dual Energy X-ray Absorptiometry

DHE
Dihydroergotamine

DHEA
Dehydroepiandrosterone

DHEA-S
Dehydroepiandrosterone Sulfate

DHF
Decompensated Heart Failure

DI
Diabetes Insipidus

DIC
Disseminated Intravascular Coagulation

DID
Dissociative Identity Disorder

DIP
Distal Interphalangeal Joint

DiPer Te
Diphtheria Pertussis Tetanus

Dis
Dislocation

DiTe
Diphtheria Tetanus

DIU
Death in Utero-Stillbirth

DJD
Degenerative Joint Disease (Osteoarthritis)

DKA
Diabetic Ketoacidosis

dl
Deciliter

DLE
Disseminated Lupus Erythematosus

DM
Diabetes Mellitus

DMD
Duchenne Muscular Dystrophy

DMD
Doctor of Dental Medicine

DNA
Deoxyribonucleic acid

DNR
Do not resuscitate

DO
Doctor of Osteopathy

DOA
Drugs of Abuse

DOA
Dead on Arrival

DOB
Date of Birth

DOE
Dyspnea on Exertion

DP
Dorsalis Pedis

DPH
Diphenylhydantoin

DPL
Diagnostic Peritoneal Lavage

DPT
Diphtheria Pertussis Tetanus-DPT vaccine

DSA
Digital Subtraction Angiography

DSM
Diagnostic and Statistical Manual

DT
Diphtheria Tetanus

DT
Delirium Tremens

DTA
Descending Thoracic Aorta

DTP
Diphtheria Tetanus Pertussis

DTR
Deep Tendon Reflex

DU
Duodenal Ulcer

DUB
Dysfunctional Uterine Bleeding

DVT
Deep Vein Thrombosis

DX
Diagnosis

dz
Disease

D & C
Dilation and curettage

D/C
Discharge

d.d.
Differential Diagnosis

EAA
Essential Amino Acids

EACA
Epsilon-aminocaproic acid

EBL
Estimated blood loss

EBM
Expressed Breast Milk

EBT
Electron beam tomography

EBV
Epstein-Barr Virus

ECF
Extracellular fluid

ECG
Electrocardiogram

ECHO
Echocardiogram

ECMO
Extracorporeal Membrane Oxygenation

ECT
Electroconvulsive Therapy

ED
Erectile Dysfunction

ED
Ectodermal Dysplasia

EDD
Estimated Date of Delivery

EDH
Epidural Hematoma

EDM
Esophageal Doppler Monitor

EDTA
Ethylene-diamine-tetra-acetic acid

EEG
Electroencephalogram

EEX
Electrodiagnosis

EF
Ejection Fraction

EFAD
Essential Fatty Acid Deficiency

EGD
Esophagogastroduodenoscopy

EI
Emotional Intelligence

EKG
Electrocardiogram

ELISA
Enzyme-linked Immunosorbent Assay

EmBx
Endometrial Biopsy

EMF
Endomyocardial Fibrosis

EMG
Electromyography

EMR
Electronic Medical Record

EMU
Early Morning Urine Sample

EMV
Eyes, motor, verbal response

ENT
Ear, Nose and Throat

EOM
extraocular Muscles

EOMI
Extraocular Movements Intact

EPH
Edema Proteinuria Hypertension

EPO
Erythropoietin

EPS
Electrophysiology

EQ
Emotional Intelligence Quotient

ER
Emergency Room

ERCP
Endoscopic Retrograde Cholangiopancreatography

ESBL
Extended Spectrum Beta-Lactamase

ESR
Erythrocyte Sedimentation Rate

ESRD
End-Stage Renal Disease

ESV
End-systolic Volume

ESWL
Extracorporeal Shock Wave Lithotripsy

ET
Endotracheal

Etiol
Etiology

ETOH
Ethanol

ETS
Endoscopic Thoracic Sympathectomy

ETT
Endotracheal Tube

EUA
Examination under Anesthesia

EUP
Extrauterine Pregnancy

EUS
Endoscopic Ultrasonography

EVAR
Endovascular Aneurysm Repair

EVF
Erythrocyte Volume Fraction

Exam
Examination

Exp Lap
Exploratory Laparotomy

E. Coli
Escherichia Coli bacteria

F
Fahrenheit

Fab
Fragment Antigen Binding

FAMMM
Familial Atypical Multiple Mole Melanoma Syndrome

FAP
Familial Adenomatous Polyposis

FB
Foreign Body

FBC
Full Blood Count

FBE
Full Blood Exam

FBG
Fasting Blood Glucose

FBS
Fasting Blood Sugar

FDA
Food and Drug Administration

FDC
Follicular Dendritic Cells

FDIU
Fetal Demise in Utero

FDP
Fibrin Degradation Product

Fe
Iron

fem
Female

FEV
Forced Expiratory Volume

FFA
Free Fatty Acids

FFP
Fresh Frozen Plasma

FHR
Fetal Heart Rate

FHS
Fetal Heart Sound

FHT
Fetal Heart Tones

FHx
Family History

Flu
Influenza

FMF
Fetal Movements Felt

FMP
First Menstruation Period (Menarche)

fMRI
Functional Magnetic Resonance Imaging

FNA
Fine Needle Aspiration

FNAB
Fine Needle Aspiration Biopsy

FNAC
Fine Needle Aspiration Cytology

FNC
Full Nursing Care

FNH
Focal Nodular Hyperplasia

FOBT
Fecal Occult Blood Test

FOS
Full of Stool

FPG
Fasting Plasma Glucose

FRC
Functional Residual Capacity

FROM
Full Range of Motion

FSBS
Finger-stick Blood Sugar

FSE
Fetal Scalp Electrode

FSH
Follicle-stimulating Hormone

FTA
Fluorescent Treponemal Antibody

FTA-ABS
Fluorescent Treponemal Antibody Absorption

FTT
Failure to thrive

FU
Follow-up

FUO
Fever of Unknown Origin

FVC
Forced Vital Capacity

FWB
Full Weight Bearing

Fx, #
Fracture

F/C
Fevers and/or Chills

G
Gravidity

G6PD
Glucose-6-Phosphate Dehydrogenase

GA
General Anesthesia

GABA
Gamma-Aminobutyric Acid

GAD
Generalized Anxiety Disorder

GB
Gallbladder

GBM
Glomerular Basement Membrane

GC
Gonorrhea or Gonococcus

GCA
Giant Cell Arteritis

GCS
Glasgow Coma Scale

GDA
Gastroduodenal Artery

GDLH
Glutamate Dehydrogenase

GDP
Guanosine Diphosphate

GERD
Gastroesophageal Reflux Disease

GETT
General by Endotracheal Tube

GFR
Glomerular Filtration Rate

GGT
Gamma-Glutamyl Transpeptidase

GH
Growth Hormone

GHFR
Growth Hormone Releasing factor

GI
Glycemic Index

GI
Gastrointestinal

GIFT
Gamete Intrafallopian Transfer

GIST
Gastrointestinal Stromal Tumor

GIT
Gastrointestinal Tract

GITS
Gastrointestinal Therapeutic System

GMC
General Medical Condition

GMP
Guanosine Monophosphate

GM-CSF
Granulocyte-Monocyte-Colony Stimulating Factor

GN
Glomerulonephritis (Nephritis)

GnRH
Gonadotropin-Releasing Hormone

GOAT
Galveston Orientation and Amnesia Test

GOD
Glucose Oxidase

Gomer
Get Outta My ER

GORD
Gastroesophageal Reflux Disease

GOT
Glutamic-oxalacetic Transaminase

GPT
Glutamic-pyruvic transaminase

gr
Grain

GRAV I
First Pregnancy

GSW
Gunshot Wound

GTT
Glucose Tolerance Test

GU
Gastric Ulcer

GU
Genitourinary

GVHD
Graft-versus-host disease

Gym
Gymnasium

Gyn
Gynecology

GXT
Graded Exercise Tolerance (stress test)

HA, H/A
Headache

HA
Hypertonia Arterialis

HAA
Hepatitis Associated Antigen

HAART
Highly Active Anti-aetroviral Therapy

HACE
High Altitude Cerebral Edema

HAD
HIV-associated dementia

HAE
Hereditary Angioedema

HAPE
High Altitude Pulmonary Edema

HAV
Hepatitis A Virus

Hb
Hemoglobin

HB
Heart Block

HbA
Hemoglobin A

HbA1C
Glycosylated hemoglobin

HbF
Fetal Hemoglobin

HBP
High Blood Pressure

HBsAg
Hepatitis B Surface Antigen

HBV
Hepatitis B Virus

HCC
Hepatocellular Carcinoma

hCG
Human Chorionic Gonadotropin

HCL
Hairy Cell Leukemia

Hct
Hematocrit

HCT
Hematopoietic Cell Transplantation

HCTZ
Hydrochlorothiazide

HCV
Hepatitis C Virus

HD
Hodgkin's Disease

HDL
High-density lipoprotein

HDL-C
High-density lipoprotein-cholesterol

HDU
High Dependency Unit

HDV
Hepatitis D virus

HEENT
Head, Eyes, Ears, Nose, Throat

HELP, HELLP
Hypertension, Elevated Liver enzymes, Low Platelets

HEMA
Hydroxy Ethyl Methacrylate

Hema
Hematest

HES
Hydroxyethyl Starch

HETE
Hydroxyeicosatetraenoic Acid

HEV
Hepatitis E Virus

Hgb
Hemoglobin

HGH
Human Growth Hormone

HGPRTase
Hypoxanthine-guanine Phosphoribosyl Transferase

HGV
Hepatitis G Virus

HH
Hiatus Hernia

HHT
Hereditary Hemorrhagic Telangiectisia

HHV
Human Herpes Virus

HI
Homicidal Ideation

Hib
Haemophilus Influenzae B

HIDS
Hyper-IgD Syndrome

HIT
Heparin-induced Thrombocytopenia

HIV
Human Immunodeficiency Virus

HJR
Hepatojugular Reflex

HL
Hepatic Lipase

HL
Hodgkin's Lymphoma

HL
Hearing Level

HLA
Human Leukocyte Antigen

HLA
Histocompatibility Locus Antigen

HLHS
Hypoplastic Left Heart Syndrome

HMD
Hyaline Membrane Disease

HMGR
3-hydroxy-30methyl-glutaryl-CoA reductase

HMG-CoA
3-hydroxy-3-methyl-glutaryl-CoA

HMS
Hyper-reactive Malarial Splenomegaly

HMSN
Hereditary Motor Sensory Neuropathy

HN
Hemagglutinin-neuraminidase

HND
Hemolytic Disease of the Newborn

HNPCC
Hereditary Nonpolyposis Colorectal Cancer

HOB
Head of Bed

HOCM
Hypertrophic Obstructive Cardiomyopathy

HONK
Hyperosmolar Nonketotic Coma

HPA
Hypothalamic-Pituiatary-Adrenal Axis

HPETE
Hydroxyeicosatetraenoic Acid

HPF
High Power Field (Microscopy)

HPI
History of Present Illness

HPOA
Hypertrophic Pulmonary Osteoarthropathy

HPL
Human Placental Lactogen

HPV
Human Papillomavirus

HR
Heart Rate

HRT
Hormone Replacement Therapy

hs
Hours of Sleep

HSC
Human Chorionic Somatomammotropin

HSG
Hysterosalpingogram

HSM
Hepatosplenomegaly

HSP
Henoch-Schonlein Purpura

HSV
Herpes Simplex Virus

HT, HTN
Hypertension

Ht
Height

HTLV
Human T-lymphotropic Virus

HTPA
Hypothalamic-pitutary-adrenal axis

HTVD
Hypertensive Vascular Disease

HUS
Hemolytic Uremic Syndrome

HVLT
High-velocity Lead Therapy

Hx
History (medical)

h/o
History of

H/H
Henderson-Hasselbach Equation

H & E
Hematoxylin and Eosin

H & H
Hemoglobin and Hematocrit

h.s.
At Bedtime

H-S
Heel-to-shin test

H&M
Hematemesis and Melena

H&P
History and Physical Examination

I131
Radioactive Iodine

IA
Intra-arterial

IABP
Intra-aortic Balloon Pump

IAI
Intra-amniotic Infection

IBC
Inflammatory Breast Cancer

IBD
Inflammatory Bowel Disease

IBS
Irritable Bowel Syndrome

IC
Informed Consent

IC
Intensive Care

IC
Ileocecal

IC
Immunocompromised

IC
Interstitial Cystitis

IC
Immune Complex

IC
Intracardiac

ICCU
Intensive Cardiac Care Unit

ICD
Implantable Cardioverter-defibrillator

ICDS
Integrated Child Development Services Program

ICD-10
International Classification of Diseases - 10th revision

ICF
Intracellular Fluid

ICG
Impedance Cardiography

ICH
Intracerebral Hemorrhage

ICP
Intracranial Pressure

ICS
Intercostal Space

ICU
Intensive Care Unit

ID
Infectious Disease or Identifying Data or Identification

IDA
Iron Deficiency Anemia

IDC
Idiopathic Dilated Cardiomyopathy

IDC
Indwelling Catheter

IDC
Infiltrating Ductal Carcinoma

IDDM
Insulin Dependent Diabetes Mellitus

IDL
Intermediate Density Lipoprotein

IDP
Infectious Disease Precautions/Process

IF
Immunofluorescence

IFG
Impaired Fasting Glycemia

Ig
Immunoglobulin

IgA
Immunoglobulin A

IgD
Immunoglobulin D

IgE
Immunoglobulin E

IgG
Immunoglobulin G

IgM
Immunoglobulin M

IGT
Impaired Glucose Tolerance

IHC
Immunohistochemistry

IHD
Ischemic Heart Disease

IHSS
Idiopathic hypertrophic Subaortic Stenosis

IM
Intramuscular

IMA
Inferior Mesenteric Artery

IMB
InterMenstrual Bleed

IMI
Intramuscular Injection

IMN
Infectious Mononucleosis

IMS
Irritable Male Syndrome

IMT
Intima-media Thickness

IMV
Intermittent Mandatory Ventilation

Inc
Incomplete

Inf
Injection

INF
Intravenous Nutritional Fluid

INH
Isoniazid

IO
Intraosseous Infusion

IOL
Induction Of Labor

IOP
Intraocular Pressure

IP
Interphalangeal Joint

IPPB
Intermittent Positive Pressure Breathing

IPPV
Intermittent Positive Pressure Ventilation

IPS
Intra-Peritoneal Sounds

IQ
Intelligence Quotient

IRDM
Insulin Resistant Diabetes Mellitus

ISA
Intrinsic Sympathomimetic Activity

ISDN
Isosorbide dinitrate

ISH
Isolated Systolic Hypertension

ISMN
Isosorbide Mononitrate

IT
Interthecal

ITP
Idiopathic Thrombocytopenic Purpura

ITU
Intensive Treatment/Therapy Unit

IU
International Units

IUCD
Intrauterine Contraceptive Device

IUD
Intrauterine Death

IUD
Intrauterine Device

IUFD
Intrauterine Fetal Demise

IUI
Intrauterine Insemination

IUP
Intrauterine Pregnancy

IUS
Intrauterine System

IV
Intravenous

IVC
Intravenous Cholangiogram

IVC
Inferior Vena Cava

IVDU
Intravenous Drug User

IVF
In vitro fertilization

IVF
Intravenous Fluids

IVP
Intravenous Pyelogram

IVPB
Intravenous Piggyback

IVU
Intravenous Urogram

IVUS
Intravascular Ultrasound

IV-DSA
Intravenous Digital Subtraction Angiography

I&D
Incision and Drainage

I&O
Inputs and Outputs, Intake and Outputs

i.s.q.
No change

JIA
Juvenile Idiopathic Arthritis

JMS
Junior Medical Student

JODM
Juvenile-Onset Diabetes Mellitus

JRA
Juvenile Rheumatoid Arthritis

JVD
Jugular Vein Distension

JVP
Jugular Venous Pressure

K
Potassium

KA
Ketoacidosis

KBr
Potassium Bromide

Kcal
Kilocalorie

KCCT
Kaolin Cephalin Clotting Time

kg
Kilogram

KIV
Keep in View

KLS
Kidney, Liver, Spleen

KOR
Keep Open Rate

KS
Kaposi's Sarcoma

KSHV
Kaposi's sarcoma-associated Herpes virus

KUB
Kidneys, Ureters and Bladder

KVO
Keep Vein Open

L
Leukocytes (White Blood Cells)

L
Lumbar vertebrae

LA
Left Atrium, Lymphadenopathy

Lab
Laboratory

LABBB
Left Anterior Bundle Branch Block

LAD
Left Anterior Descending-Coronary Artery

LAD
Leukocyte Adhesion Deficiency

LAD
Left Axis Deviation-Electrocardiogram

LAD
Lymphadenopathy

LAE
Left Atrial Enlargement

LAHB
Left Anterior Hemiblock

Lam
Laminectomy

LAP
Leukocyte Alkaline Phosphatase

Lap
Laparotomy

LAR
Low Anterior Resection

LARP
Left-Anterior, Right-Posterior

LAS
Lymphadenopathy Syndrome

LASIK
Laser-Assisted In-Situ Keratomileusis

Lat
Lateral

lb, LB
Pound

LBBB
Left Bundle Branch Block

LBO
Large Bowel Obstruction

LBP
Low Back Pain

LCA
Left Coronary Artery

LCIS
Lobular Carcinoma in situ

LCM
Lymphocytic Meningitis

LCX
Left Circumflex Artery

Lc of ch
Laxative of choice

LDH
Lactate Dehydrogenase

LDL
Low Density Lipoprotein

LDL-C
Low Density Lipoprotein Cholesterol

LE
Lupus Erythematosus

LE
Lower Extremity

LEC
Lupus Erythematosus Cell

LES
Lower Esophageal Sphincter

LES
Lupus Erythematosus Systemicus

leu
Leukocytes

LFT
Liver Function Test

LGL
Lown-Ganong-Levine Syndrome

LGM
Lymphogranulomatosis Maligna

LGV
Lymphogranuloma Venereum

LH
Luteinizing Hormone

Lig
Ligament

LIH
Left Inguinal Hernia

LLE
Left Lower Extremity

LLL
Left Lower Lobe

LLQ
Left Lower Quadrant

LM
Left Main

LMA
Left Mentoanterior-Fetal Position

LMCA
Left Main Coronary Artery

LMD
Local Medical Doctor

LMP
Last Menstrual Period

LN
Lymph Node

LOA
Left Occipitoanterior

LOC
Level of Consciousness

LOP
Left Occipitoposterior

LORTA
Loss of Resistance To Air

LOS
Length of Stay

Lot
Lotion

Lp
Lipoprotein

LP
Lumbar Puncture (Spinal Tap)

LPH
Left Posterior Hemiblock

LPL
Lipoprotein Lipase

LPN
Licensed Practical Nurse

LR
Lactated Ringer's Solution

LRTI
Lower Respiratory Tract Infection

LTAC
Long-term Acute Care

LSB
Left Sternal Border

LSD
Lysergic Acid Diethylamide

LUL
Left Upper Lobe-Lung

LUQ
Left Upper Quadrant

LV
Left Ventricle

LVAD
Left Ventricular Assist Device

LVEDP
Left Ventricular End Diastolic Pressure

LVEF
Left Ventricular Ejection Fraction

LVF
Left Ventricular Failure

LVH
Left Ventricular Hypertrophy

LVOT
Left Ventricular Outflow Track

Ly
Lymphocytes

lytes
Electrolytes

L&D
Labor and Delivery (Childbirth)

L-DOPA
Levo-Dihydroxyphenylalanine

M
Murmur (heart murmur)

MAE
Moves All Extremities

MAL
Midaxillary Line

MAO-I
Monoamine Oxidase Inhibitor

MAP
Mean Arterial Pressure

MAS
Morgagni-Adams-Stokes Syndrome

MAST
Medical Antishock Trousres

MARSA
Methicillin and Aminoglycoside-resistant Staphylococcus aureus

MAT
Multifocal Atrial Tachycardia

MBT
Maternal Blood Type

MC
Metacarpal Bone

MCH
Mean Cell Hemoglobin

MCH
Mean Corpuscular Hemoglobin

MCHC
Mean Cell Hemoglobin Concentration

MCP
Metacarpophalangeal Joint

MCV
Mean Cell Volume

MC&S
Microscopy, Culture and Sensitivity

MDD
Major Depressive Disorder (Clinical Depression)

MDE
Major Depressive Episode

MDI
Metered Dose Inhaler

MDS
Myelodysplastic Syndrome

MEDLINE
Medical Literature Analysis and Retrieval System Online

MEN
Multiple Endocrine Neoplasia

mEq
milliequivalent

MeSH
Medical Subject Headings

met
Metastasis

MET
Metabolic Equivalent

mg
milligram

Mg
Magnesium

MgSO4
Magnesium Sulfate

MGUS
Monoclonal Gammopathy of Undetermined Significance

MI
Myocardial Infarction (Heart Attack)

MIC
Minimum Inhibitory Concentration

MICA
Mental Illness and Chemical Abuse

MICU
Mobile Intensive Care Unit

MIP
Maximum Inspiratory Pressure

mL
milliliter

MLC
Mixed Lymphocyte Culture

MLE
Midline Episiotomy

MM
Myeloid Metaplasia

MMEF
Maximal Mid Expiratory Flow

mmol
millimole

MMPI
Minnesota Multiphasic Personality Inventory

MMR
Measles, Mumps, Rubella

Mo
Monocytes

mod
Moderate

mod
Modified

MODY
Maturity Onset Diabetes of the Young

MOM
Milk of Magnesia

Mono
Infectious Mononucleosis (Glandular Fever)

MOPP
Mechlorethamine, Vincristine, Procarbazine and Prednisone

MPD
Myeloproliferative Disease

MPV
Mean Platelet Volume

MR
Mitral Regurgitation

MR
Modified Release

MR
Mental Retardation

MRA
Magnetic Resonance Angiography

MRCP
Magnetic Resonance Cholangiopancreatography

MRG
Murmurs, Rubs and Gallops

MRI
Magnetic Resonance Imaging

MRSA
Methicillin-resistant Staphylococcus Aureus

MS
Multiple Sclerosis

MS
Mitral Stenosis

MS
Mental Status

MSE
Mental Status Examination

MSH
Melanocyte-Stimulating Hormone

MSM
Methylsulfonylmethane

MSSA
Methicillin-sensitive Staph aureus

MSO4
Morphine or Morphine Sulfate

MSU
Midstream Urine Sample

MSUD
Maple Syrup Urine Disease

MT
Metatarsal Bone

MTBI
Mild Traumatic Brain Injury

MTP
Metatarsalphalangeal Joint

MTX
Methotrexate

MVA
Motor Vehicle Accident

MVC
Motor Vehicle Crash

MVI
Multivitamin Injection

MVP
Mitral Valve Prolapse

MVPS
Mitral
Valve Prolapse Syndrome

MVR
Mitral Valve Replacement

MVV
Maximum Voluntary Ventilation

M&M
Morbidity & Mortality

Na
Sodium

NABS
Normoactive Bowel Sounds

NAD
No Abnormality Detected

NAD
No Apparent Distress

NAS
No Added Salt

NB
Newborn

NBN
Newborn Nursery

NC
Nasal Cannula

NC
Nerve Action Potential

NCC
Noncompaction Cardiomyopathy

NCS
Nerve Conduction Study

NCT
Nerve Conduction Test

NCV
Nerve Conduction Velocity

ND
Not Done

Ne
Neutrophil Granulocytes

NE
Norepinephrine

NEC
Not Elsewhere Classified

NED
No Evidence of Recurrent Disease

Neg
Negative

Neo
Neoplasm

NES
Not Elsewhere Specified

NFR
Not for Resuscitation

ng
Nanogram

NG
Nasogastric

NGT
Nasogastric Tube

NGU
Non-Gonococcal Urethritis

NHL
Non-Hodgkin Lymphoma

NICU
Neonatal Intensive Care Unit

NIDDM
Non-Insulin Dependent Diabetes Mellitus (Type 2 Diabetes)

NK
Natural Killer Cells

NKA
No Known Allergies

NKDA
No Known Drug Allergies

NI
Normal

NLP
No Light Perception

NLP
Neuro-Linguistic Programming

NM
Nuclear Medicine

NMR
Nuclear Magnetic Resoance

NNH
Number Needed to Harm

NNT
Number Needed to Treat

NO
Nitric Oxide

No.
Number

NOF
Neck of Femur Fracture

Non rep.
Do not repeat

NOS
Nitric Oxide Synthase

NOS
Not Otherwise Specified

NPH
Normal Pressure Hydrocephalus

Npl
Neoplasm

NPO
Nil per os

NPTAC
No Previous Tracing Available For Comparison

NRB
Non-Rebreather Mask

NREM
Non-Rapid Eye Movement

NRM
No Regular Medications

NS
Normal Saline

NSA
No Significant Abnormality

NSAID
Non-Steroidal Anti-Inflammatory Drug

NSCC
Non-squamous-cell carcinoma

NSD
Normal Spontaneous Delivery (Natural Childbirth)

NSE
Neurospecific Enolase

NSR
Normal Sinus Rhythm

NST
Non-Stress Test

NSTEMI
Non-ST Elevation Myocardial Infarction

NSU
Non-Specific Urethritis

NT
Not Tested

NT
Nasotracheal

NTG
Nitroglycerin

NTT
Nasotracheal Tube

NVD
Normal Vaginal Delivery

NVD
Nausea, Vomiting and Diarrhea

NVDC
Nausea, Vomiting, Diarrhea and Constipation

n.s.
Not Significant

N&V
Nausea and Vomiting

O2
Oxygen

OA
Osteoarthritis

Obl
Oblique

OBS
Organic Brain Syndrome

OB-GYN
Obstetrics and Gynecology

Occ
Occasional

OCD
Obsessive Compulsive Disorder

OCG
Oral Cholecystogram

OCNA
Old Chart Not Available

OCP
Oral Contraceptive Pill

OCPD
Obsessive Compulsive Personality Disorder

OCT
Optical Coherence Tomography

od
Everyday

OD
Right Eye (Latin: Oculus Dexter)

OD
Occupational Disease

OD
Overdose

OE
Otitis Externa (Ear Infection)

OGTT
Oral Glucose Tolerance Test

Oint
Ointment

om
Every Morning

OM
Otitis Media (Ear Infection)

OME
Otitis Media with Effusion

on
Every Night

OOB
Out of bed

OPD
Outpatient Department

OPPT
Oriented to Person, Place and Time

OPV
Outpatient Visit

OPV
Oral Polio Vaccine

OR
Operating Room

ORIF
Open Reduction Internal Fixation

ORSA
Oxacillin-resistant Staphylococcus aureus

OS
Orthopedic Surgery

OS
Left Eye (Ltin-Oculus Sinister)

OSA
Obstructive Sleep Apnea

OSH
Outside Hospital

OSHA
Occupational Safety and Health Administration

Osm
Osmolarity

Osteo
Osteomyelitis

OT
Occupational Therapy

OTC
Over-the-counter Drug

OTD
Out the Door

OTPP
Oriented to Time Place and Person

OU
Both eyes (Latin: Oculi Uterque)

oz
Ounce

O/E
On examination

O&P
Ova and Parasites

P
Phosphorus

P
Post

P
Pulse

PA
Pulmonary Artery

PA
Posteroanterior

PA
Physician Assistant

PAC
Premature Atrial Contraction

PAC
Pulmonary Artery Catheter

PAD
Peripheral Artery Disease

PAF
Platelet Activating Factor

PAF
Paroxysmal Atrial Fibrillation

PAI-1
Plasminogen Activator Inhibitor 1

PAL
Posterior Axillary Line

PALS
Pediatric Advanced Life Support

PAN
Polyarthritis Nodosa

PAO
Peak Acid Output

PaO2
Peropheral Arterial Oxygen Content

PAO2
Alveolar Oxygen

PAOD
Peripheral Artery Occlusive Disease

Pap
Papanicolaou Test (Pap Smear)

PAP
Positive Airway Pressure

PAP
Papanicolaou Stain

PAP
Pulmonary Artery Pressure

PARA I
Indicating a woman with one child

PAT
Paroxysmal Atrial Trachycardia

PCa
Prostate Cancer

PCA
Patient Care Report

PCA
Patient-controlled Analgesia

PCD
Postconcussional Disorder

PCI
Percutaneous Coronary Intervention

PCL
Posterior Cruciate Ligament

PCN
Penicillin

PCNSL
Primary CNS Lymphoma

PCO
Polycystic Ovary

PCOS
Polycystic Ovarian Syndrome

PCP
Pneumocystis Pneumonia

PCP
Primary Care Physician

PCR
Polymerase Chain Reaction

PCS
Post-concussion Syndrome

PCV
Packed Cell Volume

PCV
Polycythemia vera

PCWP
Pulmonary Capillary Wedge Pressure

PD
Parkinson's Disease

PD
Peritoneal Disease

PDA
Patent Ductus Arteriosus

PDD
Pervasive Developmental Disorder

PDE
Phosphodiesterase

PDR
Physician's Drug Reference

PDT
Photodynamic Therapy

PE
Pre-eclampsia

PE
Pulmonary Embolism

PE
Physical Examination

PEA
Pulseless Electrical Activity

PEEP
Positive End Expiratory Pressure

PEF
Peak Expiratory Flow

PEFR
Peak Expiratory Flow Rate

PEG
Percutaneous Endoscopic Gastrostomy

pen
Penicillin

PERRL
Pupils Equal, Round, Reactive to Light

PERLA
Pupils Equal and Reactive to Light and Accommodation

Per Vag
Per Vaginam

PET
Positron-emission Tomography

PFO
Patent Foramen Ovale

PFT
Pulmonary Function Test

pg
Picogram

PGCS
Pediatric Glasgow Coma Scale

pH
Hydrogen Ion Concentration

Ph1
Philadelphia Chromosome

PH
Pulmonary Hypertension

PHx
Past Medical History

PHTLS
Prehospital Trauma Life Support

PI
Present Illness

PI
Pulmonic Insufficiency Disease

PICC
Peripherally Inserted Central Catheter

PID
Pelvic Inflammatory Disease

PID
Prolapsed Intervertibral Disc

PIH
Pregnancy Induced Hypertension

PIP
Proximal Interphalangeal Joint

PK
Pyruvate Kinase

PKA
Protein Kinase A

PKD
Polycystic Kidney Disease

PKU
Phenylketonuria

PLAT
Tissue Plasminogen Activator

PLT
Platelets

PMB
Post-Menopausal Bleeding

PMH
Past Medical History

PMH
Perimesencephalic Subarachnoid Hemorrhage

PMI
Point of Maximal Impulse

PMN
Polymorphonuclear Leukocytes

PMS
Premenstrual Syndrome

PMR
Polymyalgia Rheumatica

PMR
Percutaneous Myocardial Revascularisation

PM&R
Physical Medicine and Rehabilitation

PND
Paroxysmal Nocturnal Dyspnea

PNM
Perinatal Mortality

POD
Postoperative Days

POEMS
Polyneuropathy, Organomegaly, Endocrinopathy, Monoclonal Protein, Skin Changes

poly
Polymorphonuclear Cells

Post
Posterior

POX
Peroxidase

PP
Post-partum

PP
Postprandial or Pulsus Paradoxus or Pulse Pressure

PPCS
Prolonged Post-Concussion Syndrome

PPD
(Cigarette) Packs Per Day

PPD
Postpartum Depression

PPD
Purified Protein Derivative or Mantoux Test

PPH
Postpartum Hemorrhage

PPH
Primary Pulmonary Hypertension

PPH
Procedure for Prolapse and Hemorrhoids

PPI
Proton Pump Inhibitor

PPROM
Preterm Premature Rupture of Membranes

Ppt
Precipitate

PPTCT
(HIV) Prevention of Parent To Child Transmission

PPTL
Post-Partum Tubal Ligation

PR
Prothrombin Ratio

PRA
Plasma Renin Activity

PRBC
Packed Red Blood Cells

Preme
Premature Baby

Prep
Preparation

PRIND
Prolonged Reversible Ischemic Neurologic Deficit

PRL
Prolactin

PRN
As Necessary

Prog
Prognosis

PROM
Premature Rupture of Membranes

PRP
PanRetinal Photocoagulation

PRV
Polycythemia rubra vera

PS
Pulmonic Stenosis

PSA
Prostate Specific Antigen

PSH
Pscychosocial History

PSP
Phenylsulphtalein

PSS
Progressive Systemic Sclerosis

PSV
Pressure Supported Ventilation

Pt
Patient

PT
Physical Therapy

PT
Prothrombin Time

PTA
Peritonsillar Abscess

PTA
Post-traumatic Amnesia

PTA
Percutaneous Transluminal Angioplasty

PTA
Prior to admission

PTB
Pulmonary Tuberculosis

PTC
Percutaneous Transhepatic Cholangiography

PTCA
Percutaneous Transluminal Coronary Angioplasty

PTD
Prior to Discharge

PTH
Parathyroid Hormone

PTHC
Percutaneous Transhepatic Cholangiography

PTSD
Post-traumatic Stress Disorder

PTSS
Posttraumatic Stress Syndrome

PTT
Partial Thromboplastin Time

PTU
Propylthioluracil

PTx
Pneumothorax

PUD
Peptic Ulcer Disease

PUO
Pyrexia of Unknown Origin

PUVA
Psoralen UV A

PVC
Premature Ventricular Contraction

PVD
Peripheral Vascular Disease

PVFS
Post-viral Fatigue Syndrome

PVR
Pulmonary Vascular Resistance

PVS
Pulmonary Valve Stenosis

PVS
Persistent Vegetative State

PWP
Pulmonary Wedge Pressure

Px
Physical Examination

Px
Prognosis

p.c.
After Food (Latin: Post Cibum)

p.o.
By Mouth

p.r.
Per rectum

p.v.
Per Vagina

P&A
Percussion and Auscultation

P&PD
Percussion and Postural Drainage

P-Y
Pack-years

q
Each, every (Latin: Quaque)

q4h, q6h
Every 4 hours, every 6 hours

QALY
Quality-adjusted Life Years

QNS
Quantity Not Sufficient

QOF
Quality and Outcomes Framework

Qs/Qt
Shunt Fraction

qt
Quart

Qt
Total Cardiac Output

q.a.d.
Every Other Day (Latin: Quaque Altera Die)

q.AM
Every morning

q.d.
Each Day

q.d.s.
Four Times Each Day

q.h.
Each Hour

q.h.s.
Every bedtime

q.i.d.
Four Times Each Day

q.I.
As much as you like

q.m.t.
Every Month

q.n.
Every Night

q.o.d.
Every Other Day

q.o.h.
Every other hour

q.s.
AS much as suffices

q.w.k.
Weekly

RA
Rheumatoid Arthritis

RA
Refractory Anemia

RA
Right Atrium

rad
Radian

RAD
Right Axis Deviation

RAD
Reflex Anal Dilatation

RAD
Reactive Attachment Disorder

Rad hys
Radical Hysterectomy

RAE
Right Atrial Enlargement

RAI
Radioactive Iodine

RAP
Right Atrial Pressure

RAPD
Relative Afferent Pupilary Defect

RBBB
Right Bundle Branch Block

RBC
Red Blood Cells

RBC
Red Blood Count

RBP
Retino-binding Protein

RCA
Right Coronary Artery

RCM
Restrictive Cardiomyopathy

RCM
Right Costal Margin

RCT
Randomized Controlled Trial

RD
Retinal Detachment

RDA
Recommended Daily Allowance

RDS
Respiratory Distress Syndrome

RDW
Red Cell Distribution Width

RELP
Restriction Fragment Length Polymorphism

REM
Rapid Eye Movement

RES
Reticuloendothelial System

RF
Rheumatic Fever

RF
Rheumatoid Factor

RFLP
Restriction Fragment Length Polymorphism

RFT
Renal Function Test

Rh
Rhesus factor

RHD
Rheumatoid Heart Disease

RhF
Rheumatoid Factor

RIA
Radioimmunoassay

RIBA
Radioimmunoblotting Assay

RICE
Rest, Ice, Compression and Elevation

RIH
Right Inguinal Hernia

RIMA
Reversible Inhibitor of Monoamine Oxidase A

RIND
Reversible Ischemic Neurologic Deficit

RL
Ringer's Lactate

RLE
Right Lower Extremity

RLL
Right Lower Lobe-lung

RLN
Recurrent Laryngeal Nerve

RLN
Regional Lymph Node

RLQ
Right Lower Quadrant

RLS
Restless Legs Syndrome

RML
Right Middle Lobe-lung

RNA
Ribonucleioc Acid

RNV
Radionuclear Ventriculography

ROA
Right Occipital Anterior

ROM
Range of Motion

ROP
Right Occipital Posterior

ROS
Review of Systems

ROSC
Return of Spontaneous Circulation

RPG
Retrograde Pyelogram

RPR
Rapid Plasma Reagin Test

RQ
Respiratory Quotient

RR
Respiratory Rate

RRR
Regular Rate and Rhythm

RSI
Rapid Sequence Induction

RSV
Respiratory Syncytial Virus

RT
Respiratory Therapy

RTA
Renal Tubal Acidosis

RTC
Return to Clinic

RTS
Revised Trauma Source

RU
Resin Uptake

RUE
Right Upper Extremity

RUL
Right Upper Lobe - lung

RUG
Retrograde Urethogram

RUQ
Right Upper Quadrant

RV
Right Ventricle

RV
Residual Volume

RVAD
Right Ventricular Assist Device

RVF
Right Ventricular Failure

RVH
Right Ventricular Hypertrophy

RVSP
Right Ventricular Systolic Pressure

RVT
Renal Vein Thrombosis

Rx
Prescription Drug or medical treatment

r/g/m
rubs/gallops/murmurs

R/O
Rule Out

S
Sacrum

S1
First Heart Sound

S2
Second Heart Sound

SA
Sinoatrial Node

SAA
Syntheric Amino Acid

SAB
Staphylococcal Bacteremia

SAB
Spontaneous Abortion (Miscarriage)

SAH
Subarachnoid Hemorrhage

SAN
Sinoatrial Node

SaO2
Oxygen Saturation of Artial Blood

SAPS II
Simplified Acute Physiology Score

SAPS III
Simplified Acute Physiology Score

SARS
Severe Acute Respiratory Syndrome

Sat
Saturation

SB
Small Bowel

SBE
Subacute Bacterial Endocarditis

SBFT
Small Bowel Follow Through

SBO
Small Bowel Obstruction

SBP
Spontaneous Bacterial Peritonitis

SBP
Systolic Blood Pressure

SBS
Short Bowel Syndrome

SCC
Squamous Cell Carcinoma

SCID
Severe Combined Immunodeficiency

Scope
Microscope or Endoscope

SCr
Serum Creatinine

SD
Standard Deviation

SDH
Subdermal Hematoma

Sed
Sedimentation

Segs
Segmented Cells

SEM
Systolic Ejection Murmur

SFA
Serum Folic Acid

SFA
Superficial Femoral Artery

SGA
Small for Gestational Age

SGGT
Serum Gamma-Glutamyl Transpeptidase

SGOT
Serum Glutamic Oxaloacetic Transaminase

SGPT
Serum Glutamic Pyruvic Transaminase

SG cath
Swan-Ganz Catheter

SHBG
Sex Hormone-Binding Globulin

SHx
Social history

SHx
Surgical History

SI
Suicidal Ideation

SI
Seriously Ill

SI
International System of Units

SI
Sacroiliacal (SI Joint)

SIADH
Syndrome of Inappropriate Antidiuretic Hormone

SICU
Surgical Intensive Care Unit

SIDS
Sudden Infant Death Syndrome

sig
Write on label

SIMV
Synchronized Intermittent Mechanical Ventilation

SIT
Stress Inoculation Training

SK
Streptokinase

sl
Sublingual

SLE
Systemic Lupus Erythematosus

SLR
Straight Leg Raise

SMA
Superior Mesenteric Artery

SMA
Sequential Multiple Analysis

SMA
Spinal Muscular Atrophy

SMA-6
Six-channel Serum Multiple Analysis

SMA-7
Serum Metabolic Assay

SMO
Slips made out

SMS
Senior Medical Student

SMT
Spinal Manipulative Therapy

SMV
Superior Mesenteric Vein

SN
Student Nurse

SNB
Sentinel Node Biopsy

SNP
Sodium Nitroprusside

SNRI
Serotonin-norepinephrine Reuptake Inhibitor

SOAP
Subjective Objective Assessment Plan

SOB
Shortness of Breath (Dyspnea)

SOBOE
Short of Breath On Exercise

Sol
Solution

SOL
Space Occupying Lesion

SOOB
Send Out of bed

SOS
Save Our Souls

SP
Status Post

Spec
Specimen

SPECT
Single Photon Emission Computed Tomography

SPEP
Single Protein Electrophoresis

SPET
Single Photon Emission Tomography

Sp. Fl.
Spinal Fluid

Sp. Gr.
Specific Gravity

Sq
Subcutaneous

SR
Slow Release

SROM
Spontaneous Rupture of Membranes

SS
Sickle-cell disease (anemia)

SSRI
Selective Serotonin Reuptake Inhibitor

SSS
Sick Sinus Syndrome

SSSS
Staphylococcal Scalded Skin Syndrome

Staph
Staphylococcus

STD
Sexually Transmitted Disease

STAT
Immediately

STEMI
ST Elevation MI (Myocardial Infarction)

STH
Somatotropic Hormone

STI
Soft Tissue Injury

STI
Sexually Transmitted Infection

STNR
Symmetrical Tonic Neck Reflex

STOP
Surgical Termination of Pregnancy

Strep
Streptococcus

STS
Serological Test for Syphilis

Subq
Subcutaneous

Supp
Suppository

SV
Seminal Vesicle

SV
Stroke Volume

SVD
Spontaneous Vaginal Delivery

SVI
Systemic Viral Infection

SVN
Small Volume Nebulizer

SVR
Systemic Vascular Resistance

SVT
Supraventricular Tachycardia

Sx
Symptoms

Sx
Surgery

SXA
Single Energy X-ray Absorptiometer

SXR
Skull X-ray

Sz
Seizure

s.c.
Subcutaneous

s.d.
Subdermal

S&E
Sugar and Acetone

T
Thoracic Vertebrae

Tab
Tablet

TAB
Therapeutic Abortion

TAH
Total Abdominal Hysterectomy

TB, TBC
Tuberculosis

TBC
Total Body Crunch

TBG
Total Binding Globulin

TBI
Total Body Irradiation

TBI
Traumatic Brain Injury

TBLC
Term Birth Living Child

TC
Traffic Crash

TCC
Transitional Cell Carcinoma

TCN
Tetracycline

TCT
Thrombin Clotting Time

Td
Tetanus and Diphtheria

TdP
Torsades de pointes

TEB
Thoracic Electrical Bioimpedance

TEE
Transesophageal Echocardiogram

TEM
Transmission Electron Microscopy

Temp
Temperature

TENS
Transcutaneous Electrical Nerve Stimulator

TERN
Intern

TF, T/F
Transfer

TFTs
Thyroid Function Tests

Tg
Thyroglobulin

TG
Triglycerides

TGA
Transposition of the Great Arteries

THR
Total Hip Replacement

TIA
Transient Ischemic Attack

TIBC
Total Iron Binding Capacity

Tib-Fib
Tibia and Fibula

TIG
Tetanus Immune Globulin

TIPS
Transjugular Intrahepatic Portosystemic Shunt

TKR
Total Knee Replacement

TKVO
To Keep Vein Open

TLC
Total Lung Capacity

TLC
Total Leucocyte Count

TLC
Tender Loving Care

TLR
Tonic Labyrinthine Reflex

TM
Tympanic Membrane

TM
Transcendental Meditation

TMB
Too Many Birthdays

TME
Total Mesorectal Excision

TNF
Tumor Necrosis Factors

TMJ
Temporomandibular Joint

TNG
Trinitroglycerin

TNM
Tumor-Nodes-Metastases

TNTC
Too numerous to count

TO
Telephone Order

TOA
Tubo-ovarian Abscess

TOD
Transoesophageal Doppler

TOE
Transoesophageal Echocardiogram

TOP
Termination Of Pregnancy (Abortion)

TOPV
Trivalent Oral Polio Vaccine

TP
Total Protein

TPa
Tissue Plasminogen Activator

TPN
Total Parenteral Nutrition

TPR
Temperature, Pulse, Respiration

Tr
Tincture

TR
Tricuspid Regurgitation

TRAM
Transverse Rectus Abdominis Myocutaneous Flap

TRF
Transfer

TRF'd
Transferred

TRH
Thyrotropin Releasing Hormone

TS
Tricuspid Stenosis

TSH
Thyroid Stimulating Hormone

Tsp
Teaspoon

TT
Thrombin Time

TTE
Transthoracic Echocardiogram

TTO
To Take Out

TTP
Thrombotic Thrombocytopenic Purpura

TTR
Transthyretin

TTS
Transdermal Therapeutic System

TTTS
Twin To Twin Transfusion Syndrome

Tu
Tumor

TUR
Transurethral Resection

TURBT
Transurethral Resection of Bladder Tumor

TURP
Transurethral Resection of Prostate

TV
Tidal Volume

TVH
Total Vagina Hysterectomy

tw
Twice a week

Tx
Treatment

Tx
Transplantation (Organ Transplant)

Tx
Traction

t.d.s.
Three Times a day

t.i.d.
Three times a day

T.S.T.H.
Too sick to send home

T&A
Tonsillectomy with Adenoidectomy

T&C
Type and cross-match (Blood Transfusion)

T&H
Type and Hold

UA
Urinanalysis

UAC
Uric Acid

UAC
Umbilical Artery Catheter

UAO
Upper Airway Obstruction

UBD
Universal Blood Donor

UBT
Urea Breath Test

UC
Umbilical Cord

UC
Ulcerative Colitis

UCHD
Usual Childhood Disease

UD
As directed

UDS
Urine Drug Screening

UE
Upper Extremity

UFH
Unfractionated Heparin

UGI
Upper Gastrointesinal

Ung
Ointment

Unk
Unknown

UOP
Urinary Output

UPJ
Ureteropelvic Junction

URI
Upper Respiratory Infection

URQ
Upper Respiratory Quadrant

URTI
Upper Respiratory Tract Infection

US
Ultrasonogram

US
Ultrasound

USG
Ultrasonography (Prenatal Ultrasound Imaging)

USP
United States Pharmacopeia

USR
Unheated Serum Reagin

USS
Ultrasound Scan

UTI
Urinary Tract Infection

UUN
Urinary Urea Nitrogen

UVAL
Ultraviolet Argon Laser

U&E
Urea and Electrolytes

VA
Visual Acuity

VAD
Ventricular Assist Device

VAD
Venous Access Device

VAD
Vincristine Adriblastina Dexamethasone

Vag
Vaginal

VAMP
Vincristine Adriblastina Methylprednisone

VBAC
Vaginal Birth After Cesarean

VC
Vital Capacity

vCJD
Variant Creutzfeldt-Jakob Disease

VCT
Venous Clotting Time

VCTC
Voluntary Counseling and Testing Centers

VCUG
Voiding Cystourethrogram

VD
Vaginal Delivery

VD
Volume of Distribution

VD
Venereal Disease

VDRF
Ventilator Dependent Respiratory Failure

VDRL
Venereal Diseases Research Laboratory

VE
Vaginal Examination

VEB
Ventricular Ectopic Beat

VF or V-fib
Ventricular Fibrillation

VIP
Vasoactive Intestinal Peptide

VLDL
Very Low Density Lipoprotein

VMA
Vanillylmandelic Acid

VMA
Violent Mechanical Asphyxia

VNPI
Van Nuys Prognostic Scoring Index (Ductal Carcinoma)

VO
Verbal Order

VOD
Volume of Distribution

VPA
Valproic Acid

VPAP
Variable Positive Airway Pressure

VPB
Ventricular Premature Beats

VPC
Ventricular Premature Contraction

VRE
Vancomycin-Resistant Enterococcus

VRSA
Vancomycin-resistant Staphylococcus aureus

VS
Vital Signs

VSD
Ventricular Septal Defect

VSR
Ventricular Septal Rupture

VSS
Vital Signs Stable

VT
Ventricular tachycardia

VTE
Venous Thromboembolism

VV
Varicose Veins

VW
Vessel Wall

VWD
Von Willebrand Disease

VZV
Varicella Zoster Virus

V/Q
Ventilation/perfusion Scan

WAP
Wandering Atrial Pacemaker

WAT
white adipose tissue

WB
Whole Blood

WBC
White Blood Cell, White Blood Cell Count

WBR
whole body radiation

WC
white cells

WD
well-developed

WDL
within defined limits

WDWN
well-developed and well-nourished

WF
white female

WH
Well Hydrated (no Dehydration nor Water Intoxication)

WIA
wounded in action

WN
well-nourished

WNL
within normal limits

WO
written order, weeks old, wide open

WOP
without pain

WPW
Wolff-Parkinson-White syndrome

WS
Waardenburg syndrome

WS
water-soluble

WS
Werner syndrome

WS
West syndrome

WS
Wolfram syndrome

WS
Williams Syndrome

wt
Weight

WWI
walking while intoxicated

W-T-D
wet to dry

W/
With

w/o
without

W/U
Workup

W/C
Wheelchair

X2d
Times 2 days

XL
Extended Release

XL
Extra Large

XM
Crossmatch

XMM
Xeromammography

XOM
Extraocular Movements

XR
Extended Release

XR
X-ray Radiography (Radiation Therapy)

XRT
X-ray Therapy

XS
Excessive

XULN
Times Upper Limit of Normal

YF
Yellow Fever

YLC
Youngest Living Child

YO/yo
Years Old

YOB
Year of Birth

YTD
Year to Date

ZD
Zinc Deficiency

ZDV
Zidovudine

ZE
Zollinger-Ellison

Zn
Zinc

ZnO
Zinc Oxide

ZIFT
Zygote Intrafallopian Transfer

ZSB
Zero Stools Since Birth

Z-ESR
Zeta Erythrocyte Sedimentation Rate

Taking into account the thousands of medical terms that are used by doctors in different specialties, the aforementioned list is certainly not extensive. However, it does focus on some of the acronyms and abbreviations that are commonly used in the healthcare industry.