postanesthesia care unit

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1. a single thing; one segment of a whole that is made up of identical or similar segments.
2. a specifically defined amount of anything subject to measurement, as of activity, dimension, velocity, volume, or the like.
3. a distinct part of a hospital, usually having a specific physical location and serving a defined function; see under names of specific units.
Ångström unit angstrom.
atomic mass unit (u) (amu) the unit of mass equal to ¹⁄₁₂ the mass of the nuclide of carbon 12. Called also dalton.
autonomous nursing unit a nursing unit under a decentralized administration system in which the staff is responsible for all aspects of unit functioning.
British thermal unit (BTU) a unit of heat formerly widely used, being the amount necessary to raise the temperature of 1 pound of water from 39° to 40°F., equal to approximately 252 calories.
CH50 unit the amount of complement that will lyse 50 per cent of a standard preparation of sheep red blood cells coated with antisheep erythrocyte antibody.
continuing education unit (CEU) a unit of credit for educational offerings given to professional persons, determined by a professional organization according to a mathematical formula after a thorough review of the program of study, the qualifications of the instructors, and the program objectives.
critical care unit intensive care unit.
electrostatic u's (esu) that system of units that is based on the fundamental definition of a unit charge as one that will repel a similar charge with a force of 1 dyne when the two charges are 1 cm apart in a vacuum.
environmental control unit a computerized system that allows the handicapped individual to operate several different appliances using a keyboard or other input device.
heat unit the amount of heat energy that is produced by one kVp (kilovolt peak) and one mA (milliampere) for one second with single phase, full wave rectified radiographic equipment.
Hounsfield unit an arbitrary unit of x-ray attenuation used for CT scans. Each voxel is assigned a value on a scale in which air has a value of −1000; water, 0; and compact bone, +1000.
intensive care unit see intensive care unit.
International unit (IU)
1. a unit of enzyme activity equal to the amount of enzyme that catalyzes the conversion of one micromole of substrate or coenzyme per minute under specified conditions (temperature, pH, and substrate concentration) of the assay method. Abbreviated U.
2. any of several arbitrary units that have been adopted by international bodies to express the quantities of certain vitamins (A, C, D, and thiamine hydrochloride), hormones (androgen, chorionic gonadotropin, estradiol benzoate, estrone, insulin, progesterone, and prolactin), and drugs (digitalis and penicillin).
Kienböck's unit a unit of x-ray exposure equal to 0.1 erythema dose; symbol X.
motor unit the unit of motor activity formed by a motor nerve cell and its many innervated muscle fibers.
postanesthesia care unit (PACU) a specialty unit in a hospital for giving postanesthesia care (care of patients recovering from anesthesia and intravenous sedation); formerly called recovery room.
radiologic u's units used to measure radiation, including roentgens, rads, rems, and curies.
u's of service (UOS)
1. the number of procedures done by a department.
2. individuals or groups of individuals who are the recipients of nursing care.
short procedures unit (short term care unit) a nursing unit where patients are briefly cared for following a medical or surgical procedure and are then discharged without spending the night.
SI unit any unit of the International System of units (the metric system); see also si units.
step-down unit a nursing unit designated to provide care for patients who are stable enough to be discharged from the intensive care unit but are not yet ready to be cared for on a medical-surgical unit.
Svedberg unit (S) a unit equal to 10−13 second used for expressing sedimentation coefficients of macromolecules.
Svedberg flotation unit (Sf) a unit equal to 10−13 second used for expressing negative sedimentation coefficients of macromolecules that float rather than sink in a centrifuge, e.g., lipoproteins.
terminal respiratory unit the functional unit of the lung, including a respiratory bronchiole, alveolar ducts and sacs, and alveoli; called also primary lobule of lung and primary respiratory lobule.
USP unit one used in the United States Pharmacopeia for expressing potency of drugs and other preparations.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

postanesthesia care unit (PACU),

area with special personnel and equipment designated for recovery of patients after administration of anesthesia.
Synonym(s): recovery room
Farlex Partner Medical Dictionary © Farlex 2012

post·an·es·the·si·a care u·nit

(PACU) (pōstan-es-thēzē-ă kār yūnit)
Department with special personnel and equipment designated for recovery of patients after administration of anesthesia.
Synonym(s): recovery room.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

post·an·es·the·si·a care u·nit

(PACU) (pōstan-es-thēzē-ă kār yūnit)
Room(s) with special personnel and equipment designated for recovery of patients.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Postanesthesia care units. Changing policy regarding parental presence in post-anesthesia care units (PACUs) has also met resistance.
Patient scores on anticipated pain, anxiety, and sensitivity to sound predicted levels of narcotic usage in the postanesthesia care unit and at 24 hours post surgery, as well as degree of resting and evoked pain.
In emergent situations, this entire procedure can be completed in an emergency room or postanesthesia care unit, with a drain left in place along with the packs (FIGURE 5).
Complications occurring in the postanesthesia care unit. Anesth Analg 1992; 74:503-509.
Measurements were taken until discharge from the postanesthesia care unit.
In patients who were seen before 1995, droperidol (0.05 to 0.1 mg/kg) was given 10 minutes prior to induction and repeated as needed for nausea and vomiting in the postanesthesia care unit. This antiemetic regimen was altered in 1995, when patients began receiving ondansetron (0.05 mg/kg) 30 minutes prior to induction and as needed postoperatively, up to a total dose of 4 mg.
(1.) Hines R, Barash PG, Watrous G, O'Connor T Complications occurring in the postanesthesia care unit. Anesth Analg 1992; 74:503-509.
Lucas noted some of the scenarios in which oversedation occurred most often, such as overmedication of patients in preparation for an imaging study or when they were being transferred from the short-term intensive care unit or the postanesthesia care unit to the hospital floor.
in the postanesthesia care unit. The patient was awake and fully intact neurologically.
Only patients who received Demerol[R] or morphine for postoperative pain control and who were taken directly from the postanesthesia care unit (PACU) to a general surgical or medical-surgical unit were assigned to the study groups.