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a change or deviation.
antigenic shift a sudden, major change in the antigenicity of a virus, seen especially in influenza viruses, resulting from the recombination of the genomes of two different strains; it is associated with pandemics because hosts do not have immunity to the new strain. See also antigenic drift.
chloride shift the exchange of chloride and carbonate between the plasma and the erythrocytes that takes place when the blood gives up oxygen and receives carbon dioxide. It serves to maintain ionic equilibrium between the cell and surrounding fluid.
mediastinal shift a shifting to one side of the tissues and organs of the mediastinum; see also mediastinal shift.
shift to the left
1. a change in the blood picture, with a preponderance of young neutrophils.
2. an increased oxygen affinity of hemoglobin.
shift to the right
1. a preponderance of older neutrophils in the blood picture.
2. a decreased oxygen affinity of hemoglobin.
weight shift
1. the frequent movement of a paralyzed or partially paralyzed patient to redistribute the patient's weight and prevent impairment of circulation, which leads to pressure sores. One variation is the wheelchair pressure release.
2. relocation of a patient's center of mass in order to allow movement; see also gait.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


An alteration; in pathology, structural alteration of which the cause and significance is uncertain.
Synonym(s): shift
Farlex Partner Medical Dictionary © Farlex 2012


Vox populi
The change in a thing.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


1. Synonym(s): change.
2. A period of 8-12 hours during which an employee is assigned to work on a given day. Division of each 24 hours into day, evening, and night shifts is intended to maximize efficiency.
See also: deviation
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Patient discussion about shift

Q. I started a new job a month ago – it’s night shifts as a security guard in a large office building I don’t know why, but I started feeling very down in the last week. Can it be that the change in waking hours is effecting me?

A. there are dozens of studies about night shift workers that try to connect them to all sort of things. and there is a good reason- our hormonal balance is maintained by our Hypothalamus (an area in the brain). being awake on night time changes it's function, it changes our hormonal system balance and other things around our brain. this can easily cause things like depression amongst some people.

More discussions about shift
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References in periodicals archive ?
Concurrently, Saul (Jeremy Renner), a somewhat shiftless young man sharing a joyless existence with a bitter father reluctantly joins a robbery that quickly goes south.
"I'm the cutest candidate, so I've got the gays, but tell Bruce Weber I'm not posing shiftless by a lake."
The Shiftless Rounders will be in town for a free concert at noon Wednesday at the Erb Memorial Union amphitheater, 1222 E.
Braydon, of course, was shiftless and back tailing all over the place and jocking me to teach him how to do real rock and rolls.
Though Asia will rely on traditional automatic transmissions and continuously variable transmissions (CVTs), Europe is expected to increasingly move toward dual-clutch transmission (DCT) For their shiftless drivers.
Roy depicts the downtrodden state of the Lacasse household with intense clarity and vivid description, revealing the father as an "unstable dreamer," the son as shiftless and the other children as too young or sick to be anything but dependent.
Whites regarded black people as inherently lazy and shiftless,
Instead, the commentariat turned its attention to human culprits: Bush, local authorities, American racism, the shiftless poor, big government, small government, Ronald Reagan.
In STEPIN FETCHIT: THE LIFE AND TIMES OF LINCOLN PERRY (Pantheon Books, $26.95) by Mel Watkins, readers get a rare view of the man who was renowned and reviled for his late 1920s and 1930s portrayals of Hollywood's stereotypical image of Blacks as lazy, shiftless and cowardly.
Most of us are aware that 19th-century minstrel shows helped create and propagate the racist image of the silly, shiftless, shuffling black man.
quelle effronterie!--to shiftless Pepe Le Pews, reeking of Gauloises and raw fear.