PaCO
2
partial pressure of carbon dioxide
in the arteries
PM non-funct.
pacemaker non-functioning
REF
right ventricular ejection fraction
ref. reference
PAO
2
partial pressure of oxygen in the
alveoli
PM pacemaker
Resp Rate respiration rate (total) (measured)
Pmax maximum
pressure
Resp
respiration rate (total) (set)
PaO
2
partial pressure of oxygen in the
arteries
Pmean mean
pressure
RF radio
frequency
Pmin minimum
pressure
RMS
average (root mean square) power
PAOP
pulmonary artery occlusion
pressure
Ppeak peak
pressure
Room
room temperature
Pplat
plateau (pause) pressure
RQ respiratory
quotient
Paw airway
pressure
PR pulse
rate
RR
respiration rate (total) (measured)
Pbaro barometric
pressure
Prev. previous
rtm rhythm
PCWP
pulmonary capillary wedge
pressure
psi
pounds per square per inch
RV residual
volume
pt patient
EDV
right ventricular end-diastolic
volume
PE polyethylene
PTC
post tetanic count (NMT)
Pedi pediatric
pts patientsPVC
polyvinylchloride
ESV
right ventricular end-systolic
volume
PEEP
positive end-expiratory pressure
PEEPe
extrinsic positive end expiratory
pressure
PVC
premature ventricular contraction
RVP
right ventricular pressure
PVloop
pressure volume loop
RVSW
right ventricular stroke work
PEEPe+i total positive end expiratory
pressure (ICU)
PvO
2
partial pressure of oxygen in
(mixed) venous blood
RVSWI
right ventricular stroke work index
s second
PEEPe+PEEPi
total positive end expiratory
pressure (ICU)
PVR
pulmonary vascular resistance
PVRI
pulmonary vascular resistance
index
SA sinoatrial
SaO
2
arterial oxygen saturation
PEEPi
intrinsic positive end expiratory
pressure
Px
standard pressure label, x being 1,
2, 3, 4, 5, or 6
SD standard
deviation
SEMG spontaneous
electromyogram
PEEPtot
total positive end expiratory
pressure (anesthesia)
Sev sevoflurane
QRS QRS
complex
SI stroke
index
PgCO
2
gastrointestinal carbon dioxide
concentration
Qs/Qt venous
admixture
Skin skin
temperature
SN, S/N serial number
PIC
patient interface cable
R
right (describing location)
Spiro patient
spirometry
Pleth
plethysmographic pulse waveform
RAP
right atrial pressure
SpO
2
oxygen
saturation
PM non-capt.
pacemaker non-capturing
Raw airway
resistance
Spont spontaneous
breathing
Rect
rectal temperature
ST
ST segment of electrocardiograph
– 44 –
