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Frequently Used Medical Abbreviations

This is a list of some common abbreviations often seen in e-mail posts and used in chat
related to our wide range of medical situations. 


A1AD = Alpha1 Antitrypsin Deficiency Emphysema
ABG = Arterial Blood Gas
ARDS = Acute Respiratory Distress Syndrome
ATRA = All Trans-Retinoic Acid

BAL = Bronchoalveolar Lavage
BiPAP = Bi-level Positive Airway Pressure
BMD = Bone Mineral Density
BOOP = Bronchiolitis Obliterans Organizing Pneumonia
BP = Blood Pressure
BX = Biopsy

CF = Cystic Fibrosis
CHF = Congestive Heart Failure
CLD = Chronic Lung Disease
CT = Cat Scan or Computerized Axial Tomography
CO = Carbon Monoxide
Co2 = Carbon Dioxide
COAD = Chronic Obstructive Airway Disease
COLD = Chronic Obstructive Lung Disease
CPAP = Continuous Positive Airway Pressure
CPR = Cardiopulmonary Resuscitation
CRT = Certified Respiratory Therapist
CXR = Chest X-ray

DAD = Diffuse Alveolar Damage
DLCO = Diffusing Capacity of Carbon Monoxide
DNR = Do Not Resuscitate
DOE = Dyspnea on Exertion
DPAP = Demand Positive Airway Pressure
DX = Diagnosis

ECG or EKG = Electrocardiogram
ECHO = Echocardiogram
ENT = Ears, Nose, Throat
ERV = Expiratory Reserve Volume
ET = Endotracheal Tube

FEF = Forced Expiratory Flow
FEFMAX = Forced Expiratory Flow at Maximum Effort
FEV = Forced Expiratory Volume
FEV1 = Forced Expiratory Volume in One Second
FPF = Familial Pulmonary Fibrosis
FRC = Functional Residual Capacity
FVC = Forced Vital Capacity

GERD = Gastroesophageal Reflux Disease
GI = Gastrointestinal
GP = General Practitioner

HEENT = Head, Eyes, Ears, Nose, Throat
HEPA = High Efficiency Particulate Air
HR = Heart Rate
HRCT = High Resolution CT Scan

IC = Inspiratory Capacity
ICU = Intensive Care Unit
ILD = Interstitial Lung Disease
IPF = Idiopathic Pulmonary Fibrosis
IRV = Inspiratory Reserve Volume

LOX = Liquid Oxygen
LPM = Liters Per Minute  Oxygen or o2 flow rate
LVRS = Lung Volume Reduction Surgery

MCS = Multiple Chemical Sensitivities
MDI = Metered Dose Inhaler
MRI = Magnetic Resonance Imaging
MVV = Maximal Voluntary Ventilation

NETT = National Emphysema Treatment Trial
NIV = Non Invasive Ventilator
NSIP = Non Specific Interstitial Pneumonitis

o2 = Oxygen
OA = Occupational Asthma
OAD = Obstructive Airway Disease
OLD = Occupational Lung Disease
OSA = Obstructive Sleep Apnea
OTC = Over The Counter

PAP = Positive Airway Pressure
PCP = Primary Care Physician
Pco2 = Partial Pressure of Carbon Dioxide in Blood
PDI = Powdered Dose Inhaler
PE = Physical Exam
PE = Pulmonary Edema
PE = Pulmonary Embolism
PEP = Positive Expiratory Pressure
PEEP = Positive End Expiratory Pressure
PEFR = Peak Expiratory Flow Rate
PF = Pulmonary Fibrosis
PFT = Pulmonary Function Test
PH = Pulmonary Hypertension  Secondary
PI = Pulmonary Insufficiency
PLB = Pursed Lip Breathing
PND = Paroxysmal Nocturnal Dyspnea
            Post Nasal Drip
Po2 = Oxygen Tension in Arterial Blood
PPH = Primary Pulmonary Hypertension
PPV = Positive Pressure Ventilation
PT = Physical Therapist
        Pulmonary Therapy
PTX = Pneumothorax
PULM or PULMO = Pulmonary

QOL = Quality OF Life

R/O = Rule Out
RAD = Reactive Airway Disease
RDS = Respiratory Distress Syndrome
RLD = Restrictive Lung Disease
RLS = Restless Leg Syndrome
RRT = Registered Respiratory Therapist
RT = Respiratory Therapist
         Respiratory Therapy
RV = Residual Volume
RX = Treatment

Sao2 = % Arterial Blood Saturation
SATS = Referring to o2 Saturation Level by Oximetry
SOB = Short Of Breath
Svo2 = % Venous Blood Oxygen Saturation

TLC = Total Lung Capacity
TTo2 = Transtracheal Oxygen
TV = Tidal Volume
TX = Transplant

UIP = Usual Interstitial Pneumonitis
URI = Upper Respiratory Infection
UTI = Urinary Tract Infection

VATS = Video Assisted Thoracic Surgery
VC = Vital Capacity
VQ = Ventilation Perfusion Scan

XP = Transplant

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Last modified: June 17, 2002