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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 ?
The relationship between the rotational moments that act on the links of the differential gear can be established by considering the condition of the balance of the transmission as a whole, namely:
Differential gears inside the carrier connect the two axles while allowing the wheels to spin at different speeds.
Two of the above torque converters can be used to replace differential gears in automobiles.
Astronomy expert Prof Edmunds and his team found the device, a bronze calculator, used differential gears, previously thought to have been invented in the 16th century.
(6) A differential gear that applies optimal drive forc
Repair was "easy," he notes wryly, "after we removed the gas tank, top and bottom differential gear cases, two bull gear sections, both wheels, both fenders, both brake bands, battery box, all three bearing mounts and the left bevel gear."
* To consider and try out a different options of the connecting the differential gear of the drive.
The so-called road-calming bumps are a nightmare for all motorists, damaging exhaust systems, axle shafts and differential gear boxes.
A double reduction spiral cut differential gear provides the pulling power for the tractors by handling the full power load from the engine and transmitting power to the internal planetary gear sets, located on each side of the main differential.
-Inverting the differential gear and putting its output axle in front made it possible to position the wheels forward of the engine, resulting in a reduced front overhang.
--the existence of the two closed kinematic chains requires in their structure a relatively large number of mechanisms, which contributes to the substantial increasing of the errors of kinematic and dynamic nature, the differential gear and change gears having one of the most influential contributions.

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