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MetHb methemoglobin
MF median frequency
mg milligram
Min minimum
min minute
ml milliliter
MLAEP middle-latency auditory evoked potential
mmHg millimeters of mercury
mol mole
Monit monitoring (ECG filter)
MRI magnetic resonance imaging
Mult. multiple
Multif. PVCs multifocal PVCs
MV minute volume
MVexp expired minute volume (l/min)
MVexp(BTPS) expired minute volume in BTPS conditions
MVexp(STPD) expired minute volume in STPD conditions
MVinsp inspired minute volume (l/min)
MVspont spontaneous minute volume
Myo myocardiac temperature
Nneutral
N2 nitrogen
N2O nitrous oxide
Na sodium
Naso nasopharyngeal temperature
NEO neonate
Net network
Ni-Cd nickel-cadmium
NIBP non-invasive blood pressure
NiMH nickel-metal hydride
NMT neuromuscular transmission
NO nitric oxide
NTPD normal temperature and pressure, dry gas
Num. numerical
O2 oxygen
O2ER oxygen extraction ratio
O2Hb oxygenated hemoglobin
OR operation room
Oxy oxygenation
Oxy. Calcs oxygenation calculations
P partial pressure
Ppressure
P(BTPS) pressure in BTPS conditions
P(g-a)CO2 difference between gastrointestinal carbon
dioxide and arterial blood carbon dioxide
concentration
P(g-ET)CO2 difference between gastrointestinal carbon
dioxide and end tidal carbon dioxide
concentration
P(STPD) pressure in STPD conditions
IBP1, IBP2 invasive pressure channel identification on
module
PA pulmonary arterial pressure
PA pulmonary artery
Pa Pascal (unit of pressure)
Paced paced beats
PaCO2 partial pressure of carbon dioxide in the arteries
PAO2 partial pressure of oxygen in the alveoli
PaO2 partial pressure of oxygen in the arteries
PAOP pulmonary artery occlusion pressure
Paw airway pressure
Pbaro barometric pressure
PCWP pulmonary capillary wedge pressure
PE polyethylene
Pedi pediatric
PEEP positive end-expiratory pressure
PEEPe extrinsic positive end expiratory pressure
PEEPe+i total positive end expiratory pressure (ICU)
PEEPe+PEEPi total positive end expiratory pressure (ICU)
PEEPi intrinsic positive end expiratory pressure
PEEPtot total positive end expiratory pressure
(anesthesia)
PgCO2 gastrointestinal carbon dioxide concentration
pH pH
pHa arterial pH
pHi intramucosal pH
pHv (mixed) venous pH
PIC patient interface cable