Arterial blood gases
ABGs
Acid-fast bacillus
AFB
Acute respiratory distress syndrome
ARDS
Cystic fibrosis
CF
Carbon dioxide
CO₂
Chronic obstructive pulmonary disease
COPD
Continuous positive airway pressure
CPAP
Cardiopulmonary resuscitation
CPR
Chest physiotherapy
CPT
Chest x-ray
CXR
Dyspnea on exertion
DOE
Metered dose inhaler
MDI
Oxygen
O₂
Obstructive sleep apnea
OSA
Pulmonary embolism
PE
Pulmonary function test
PFT
Potential of hydrogen (measure of acidity or alkalinity)
PH
Paroxysmal nocturnal dyspnea
PND
Purified protein derivative
PPD
Respiration
R
Room air
RA
Sudden infant death syndrome
SIDS
Short(ness) of breath
SOB
Immediate(ly)
stat