hypoglycemia

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hypoglycemia:

see diabetesdiabetes
or diabetes mellitus
, chronic disorder of glucose (sugar) metabolism caused by inadequate production or use of insulin, a hormone produced in specialized cells (beta cells in the islets of Langerhans) in the pancreas that allows the body to use and store
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.

Hypoglycemia

 

a decrease in the sugar content of the blood to below 80-70 mg percent.

Hypoglycemia is found in healthy persons during heightened muscular activity as a result of the considerable expenditure of glucose as an energy source when the body’s energy loss is not replenished with readily assimilable carbohydrates. Hypoglycemia sometimes arises after heavy intake of carbohydrates as a result of the reflex secretion by the pancreas of an excessive amount of insulin. The condition is observed in certain diseases of the insular apparatus of the pancreas, the hypothalamic region of the brain, the other endocrine glands, or the liver (disruption of the liver’s function as the principal glycogen depot), as well as in insulin overdose (hypoglycemic shock). In hypoglycemic shock, after a short period of central nervous system excitation, a condition develops that is accompanied by weakness, drowsiness, hunger, and psychic disturbances. Trembling, loss of consciousness, and convulsions may set in when sugar content is lowered to 40 percent or less. The condition is eliminated by administering glucose. Hypoglycemic or insulin shock may be induced artificially for the treatment of certain diseases.

REFERENCES

Genes, S. G. Gipoglikemiia: Gipoglikemiche skii simptomokompleks. Moscow, 1970. (Bibliography, pp. 224-35.)

hypoglycemia

[¦hī·pō‚glī′sē·mē·ə]
(medicine)
Condition caused by low levels of sugar in the blood.
References in periodicals archive ?
In reactive hypoglycemia, symptoms appear within 4 hours after you eat a meal.
A personal blood glucose monitor cannot be used to diagnose reactive hypoglycemia.
The causes of most cases of reactive hypoglycemia are still open to debate.
A few causes of reactive hypoglycemia are certain, but they are uncommon.
Oral sucrose-tolerance tests given to 137 delinquent and 41 nondelinquent teenagers show no greater incidence of reactive hypoglycemia among delinquents than among nondelinquents, the researchers report.

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