critical care unit

Also found in: Dictionary, Thesaurus, Financial, Acronyms, Encyclopedia.
Related to critical care unit: Critical Care Medicine


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.

in·ten·sive care u·nit (ICU),

a hospital facility for provision of intensive nursing and medical care of critically ill patients, characterized by the high quality and quantity of continuous nursing and medical supervision and by use of sophisticated monitoring and resuscitative equipment; may be organized for the care of specific patient groups, for example, neonatal or newborn ICU, neurologic ICU, pulmonary ICU.
Synonym(s): critical care unit
Farlex Partner Medical Dictionary © Farlex 2012

critical care unit

The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

in·ten·sive care u·nit

(ICU) (in-ten'siv kār yū'nit)
A hospital facility for provision of intensive nursing and medical care of critically ill patients, characterized by high quality and quantity of continuous nursing and medical supervision and by use of sophisticated monitoring and resuscitative equipment; may be organized for the care of specific patient groups, e.g., neonatal or newborn ICU, neurologic ICU, and pulmonary ICU.
Synonym(s): critical care unit.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Michael Sibbick, last year's club president, decided to donate the case to the critical care unit to thank the team who looked after him so well when he had a heart bypass operation in 2003 as well as caring for his late son Graham.
The donation will be split evenly between campaigns to fund a hydrotherapy pool and equip a new critical care unit in Phase Two of the hospital.
North Tyneside General Hospital's critical care unit currently consists of the Intensive Care Unit, Coronary Care Unit and High Dependency Unit.
Also a big thank you to the Critical Care Unit at Fazakerley Hospital and a special thank you to Father Ferns and Thompsons F.S.
He was transferred from a critical care unit on Sunday night after progress in his treatment.
Mr Langley, a retired rail worker, was yesterday moved off the critical care unit. Spokesman for Lancashire Teaching Hospitals NHS Trust, Craig Noonan, said: "Mr Langley improved a great deal overnight and has today been moved on to a general ward.
The critical care unit of the Queen Elizabeth Hospital in Gateshead looks after some of the most poorly patients in the hospital and provides intensive nursing and medical care.
Sandwell Hospital's new and improved critical care unit is now back in its old home on the Priory One section after a pounds 1.85 million revamp and a year spent in temporary facilities.
The cardiothoracic centre's new critical care unit will have individual rooms and strict rules forcing visitors to wash their hands.
FurniturecompanyMaskreys fitted out the critical care unit's relatives' room with a new sofa, coffee table, tables and chairs.
The man, in his 60s, suffered internal injuries and is in the critical care unit in University Hospital, Walsgrave.

Full browser ?