ARF	Acute respiratory failure
BE	Base excess
BIPAP	Bilevel inspiratory positive airway pressure
CO2	Carbon dioxide
COPD	Chronic obstructive pulmonary disease
CPAP	Continuous positive airway pressure
ERT	Enzyme replacement therapy
ERV	Expiratory reserve volume
FVC	Forced vital capacity
GAA	α-1,4-glucosidase
HFCWO	High frequency chest wall oscillation
IC	Inspiratory capacity
ICU	Intensive care unit
I/E	Insufflation/exsufflation
IPV	Intrapulmonary percussive ventilation
IRV	Inspiratory reserve volume
IVC	Inspiratory vital capacity
LOPD	Late-onset Pompe disease
MAC	Manually assisted coughing
MEP	Maximum expiratory pressure
MIP	Maximum inspiratory pressure
NIV	Non-invasive ventilation
NMD	Neuromuscular disorders
OSA	Obstructive sleep apnea
PCF	Peak cough flow
pCO2	Carbon dioxide tension
PFT	Pulmonary function testing
Pdi	Twitch diaphragmatic pressure
Pmo	Twitch mouth pressure
PO	Pulse oximetry
PSG	Polysomnography
REM	Rapid eye movement
RICU	Respiratory intermediate care unit
RMW	Respiratory muscle weakness
RMST	Respiratory muscle strength training
RMT	Respiratory muscle training
RV	Residual volume
SaO2	Arterial oxygen saturation
SDB	Sleep-disordered breathing
SNIP	Sniff nasal inspiratory pressure
SpO2	Peripheral oxygen saturation
SVC	Slow vital capacity
tcCO2	Transcutaneous carbon dioxide tension
TLC	Total lung capacity
TV	Tidal volume
VC	Vital capacity