Appendix Abbreviations Measures

P Pressure (usually mouth pressure if site not speci fied, as Pimax) L Length

V Volume

EMG Electromyogram PMG Phonomyogram

Sites and Modifiers

A, alv Alveolar ab Abdomen abw Abdominal wall ao Airway opening aw Airway bs Body surface di Diaphragm, transdiaphragmatic es, oes Esophageal g, ga Gastric

ia

Intercostal/accessory muscles

mo

Mouth

mus

Muscle

nas

Nostril, nasal

nP

Nasopharynx

ph

Phrenic

Pl

Pleural

rc

Rib cage

rs

Respiratory system (lung and chest wall)

w, cw

Chest wall

ant

Anterior

Post

Posterior

E

Expiratory

I

Inspiratory

Maneuvers

co

Cough

max

Maximal

sn

Sniff

tw

Stimulation Descriptors

ELS Electrical stimulation

MS Magnetic stimulation

Ant MS Anterior magnetic stimulation

CMS Cervical magnetic stimulation fMS Focal magnetic stimulation

PNS Phrenic nerve stimulation

EMG Electromyogram

PMG Phonomyogram

M-wave EMG response to PNS

Lung Volumes

FRC Functional residual capacity RV Residual volume

TLC Total lung capacity

VC Vital capacity

General

CNS Central nervous system

HFF High-frequency fatigue

LFF Low-frequency fatigue

MVC Maximal voluntary contractions

SMVC Submaximal voluntary contractions

Principles

Give measure, then site, then maneuver, then descriptor. Thus: Pes,tw,CMS = twitch esophageal pressure following cervical magnetic stimulation

PE,mo,max = maximal expiratory mouth pressure (usually abbreviated to PEmax) Pg,co = gastric pressure during a cough

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