Q

R

RV
residual volume

S

SaO₂
oxygen percent saturation (arterial)

SIMV
synchronized intermittent mandatory ventilation

SIRS
systemic inflammatory response syndrome

T

Ti
inspiratory time

TLC
total lung capacity

U

UIP
usual interstitial pneumonia (see interstitial pneumonia/s)

V

VC
vital capacity

V_t
tidal volume

V:Q mismatch
ventilation:perfussion mismatch

W

X

Y

Z