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Propaq Encore Reference Guide 161 Welch Allyn
Glossary
∆
T
Difference temperature. The difference between T1 and T2.
AAMI
Association for the Advancement of Medical Instrumentation (United States of America).
AC Power Adapter
The device that plugs into the 12-28V dc receptacle on the Propaq Encore's side panel to
allow operation and battery charging from ac mains.
Acuity
Welch Allyn’s trade name for its central station patient monitoring system.
Altimeter
A sensor, internal to the Propaq Encore, that measures absolute atmospheric pressure, and is
used to correct CO
2
numerics for varying altitudes.
ANSI
American National Standards Institute
Apnea
Condition of no respiration occurring during a prescribed time interval.
ART
Arterial (label for an invasive blood-pressure channel).
Arterial Blood Gas Measurements
Laboratory value reporting acid-base, oxygenation and ventilation status.
Artifact
An unwanted disturbance to or by the patient or attached sensors that adds errors (usually
erratic) to the measured parameters, e.g., muscle motion or shivering, electrical interference,
vibration of the cuff, etc.