Author: Glossary
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Direct medical direction
A physician giving medical orders on-line, on the telephone or radio, to the EMS provider or to other health care professionals (e.g., athletic trainers, occupational therapists, physical or speech therapists) for the emergency care of a patient in the out-of-hospital environment.
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Directed differentiation
The use of growth factors to stimulate stem cells to specialize into specific adult cells.
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Diquat
A herbicide, chemically related to paraquat, that releases hydrogen peroxide and oxygen radicals when consumed. It can cause nausea, vomiting, renal failure, altered mental status, and cardiac arrhythmias.
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Dipylidium caninum
A common parasite of dogs and cats. Occasionally, human infestation may occur through the accidental ingestion of lice or fleas, which are the intermediate hosts.
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Dipylidiasis
Infestation with the tapeworm Dipylidium caninum.
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Dipygus
Having a double pelvis; said of a congenitally deformed fetus.
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Dipterous
Having two wings; characteristic of the order Diptera.
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Dipstick
A chemical-impregnated paper strip used for analysis of body fluids, principally urine.
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Dipping
Palpation of the liver by a quick depressive movement of the fingers while the hand is held flat on the abdomen.
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Vertical diplopia
Double vision with one of two images higher than the other.