624074/07 Glossary-9
P-SIMV Pressure-controlled synchronized intermittent mandatory
ventilation mode.
Pstart Starting PEEP, a control setting for the P/V Tool maneuver.
Psupport Inspiratory pressure support, a control setting valid during
SPONT breaths. Psupport is pressure (additional to PEEP/
CPAP) to be applied during the inspiratory phase.
Ptop Pressure target, a control setting for the P/V Tool maneu-
ver.
PTP Pressure time product, a monitored parameter.
P-trigger Pressure trigger sensitivity, a control setting.
P/V Tool Respiratory maneuver used to record a “quasi-static”
pressure-volume curve. The P/V Tool offers both inflation
and deflation limb data.
Ramp speed Rate of pressure change, a control setting for the P/V Tool
maneuver.
Rate Number of breaths per minute, a control setting, alarm
setting, and timing parameter.
RCexp Expiratory time constant, a monitored parameter.
RCinsp Inspiratory time constant, a monitored parameter.
RDS Respiratory distress syndrome.
Rexp Expiratory flow resistance, a monitored parameter.
Rinsp Inspiratory flow resistance, a monitored parameter.
RSB Rapid shallow breathing index, a monitored parameter.
SBT Spontaneous breathing trial.
sec Second, a unit of time.
(S)CMV Synchronized controlled mandatory ventilation mode.
sigh Breaths delivered to deliberately increase tidal volume at
a regular interval.
SIMV Synchronized intermittent mandatory ventilation mode.
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