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1. something that makes a distinction between two differing items.
2. the additional financial reward given to health care providers for working on a particular shift or in a particular unit.
3. in Canadian hospitals, the extra charge for a semiprivate or private room over the basic room rate subsidized by the provincial health plan.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Relating to, or characterized by, a difference; distinguishing.
[L. differo, to carry apart, differ, fr. dis, apart]
Farlex Partner Medical Dictionary © Farlex 2012


Differential diagnosis, see there.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


A blood cell count in which the percentages of cell types are calculated as well as the total number of cells.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

Patient discussion about differential

Q. How do you differentiate between fluorosis and caries? Both appear as white spots on the teeth, so clinically how do you differentiate between them? I know it has something to do with their appearance while wet and dry, but I am not sure what? please help me I can't find this in any book.

A. Only mild fluorosis is seen as white stop lesion on the tooth. It usually comes with brown spots. Look for them. Another method is trying to stick a dental explorer into it (not the Microsoft one- it’ll only be a portal for viruses..) and because caries is demineralized area it will feel kind of sticky. But I wouldn’t do that…it can harm the teeth. Another way is by an x ray. Fluorosis- you will see it as a whiter spot. Caries- a more translucent spot.

Q. Differentiate Wheezing & Asthma My sister who is 29 years old is suffering from wheezing for the past 7 years. Its not a genetic problem. Some times she uses inhaler for temporary recovery. She tried English medicine, homeo and other treatments. Is it an Asthma? I find very difficult in seeing her struggle when she find hard to breathe. Please help to make her free out of this struggle.

A. i see what scares you...it's frustrating to see your loved ones suffer and you cannot help. if she is has an inhaler- that mean she has been to the Dr. and he prescribed her some kind of medicine. without giving a diagnose first...?

Q. how can i differentiate between normal stomach ache and an Appendicitis? I've been having a strange sharp pain in my stomach lately and a friend of mine told me it could be Appendicitis.

A. When you have Appendicitis, there should be a sharp pain on the right lower Abdomen. but you mustn't forget that Appendicitis is an inflammation. which means you'll have a fever some time in the near future, and it always get worse. not like other Abdominal pains. you'll vomit probably. i had my Appendix removed 2 years ago. don't worry, it's not too bad ;).

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References in periodicals archive ?
Impossible Differentials. Let G : [F.sup.n.sub.2] [right arrow] [F.sup.m.sub.2], [delta] [member of] [F.sup.n.sub.2] and [DELTA] [member of] [F.sup.m.sub.2].
Similarly, using 8 16-round impossible differentials, to reduce the target key space by approximately [log.sub.2]e bit, the data complexity is approximately [2.sup.96+1-3] = [2.sup.94].
A cochain complex is a Z-graded differential module E = [[direct sum].sub.i[member of]Z] [E.sup.i] whose differential d has degree 1, which means d : [E.sup.n] [right arrow] [E.sup.n+1].
Peripheral blood contamination can artificially change a cell count and differential. (1)
Tires--in terms of height, width, composition and tread design--are the final arbiter of traction, but even if you spend a lot for the best treads, there's one more factor that rears its head when things get tough--the rear differential.
A Tuff Torque K46 hydrostatic transaxle powers the rear-wheel drive and incorporates Hilliard's Auto Lok differential. The Hilliard differential system is fully automatic, sensing when the rear wheel starts to spin, locking the wheel and giving it positive traction.
Another effect is that the inflation differentials between the two measures vary over time.
"Providing that you engage the differential at the right times," says Harty, "you get a superb interaction between the front axle and the steering system." It was a characteristic of the ATD system that he says previously hadn't been used to its full potential.
The system was operating anywhere from 20-30 psi pressure and 14 psi differential. Today, because of smooth operations, Tapp and Alexander are able to spend more time improving the sheet to meet customer needs.
By contrast, in a typical public school district there is no differential, and new English teachers may be paid perhaps $5,000 or more than their "reservation wage" or the lowest wage for which they will work.
For orifice meters, one of the topics of interest was the bias in the discharge coefficient at low differential pressures caused by pressure fluctuations and measurement uncertainties.
The new system, called Variable M Differential Lock, is said to improve both handling and driving stability.

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