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We wish to identify people with hypoglycemia (low blood sugar) and ultimately determine why the blood sugar levels are so low. To do so, we will contrast the responses of patients suspected to have hypoglycemia with those of healthy subjects during standardized tests. Those tests may include: 1) a controlled hypoglycemia produced by administration of insulin, a blood sugar-lowering hormone, and sugar, 2) a formula meal, and 3) a period of up to 72 hours without food.
Condition or disease
Procedure: Controlled hypoglycemia using insulinProcedure: formula meal
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Ages Eligible for Study:
18 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients with suspected hypoglycemia
Healthy subjects (controls)
Absence of known macrovascular disease or of known CNS disease by medical history, physical examination or ECG (exclusions for induced hypoglycemia)