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Related Concept Videos

Hypoglycemia01:26

Hypoglycemia

Hypoglycemia is a blood glucose level below 70 mg/dL. It commonly occurs in individuals using insulin or insulin-secreting drugs, but may also arise in non-diabetic conditions. People with type 1 diabetes are at the highest risk because they depend on exogenous insulin. People with type 2 diabetes are also at risk, especially when treated with insulin or medications such as sulfonylureas, which increase insulin release regardless of blood glucose levels. It develops when insulin levels exceed...
Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
Glucose Transporters01:27

Glucose Transporters

Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Hyperglycemia01:29

Hyperglycemia

Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose levels exceed 180 mg/dL two...
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
Diabetes Mellitus: Overview and Type I Subtype01:22

Diabetes Mellitus: Overview and Type I Subtype

Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...

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Related Experiment Video

Updated: Jul 6, 2026

Improving IV Insulin Administration in a Community Hospital
12:08

Improving IV Insulin Administration in a Community Hospital

Published on: June 11, 2012

Hypoglycemia in infants.

J Zeller1, P Bougnères

  • 1Department of Pediatric Endocrinology, St. Vincent de Paul Hospital, Paris 14e, France.

Trends in Endocrinology and Metabolism: TEM
|December 1, 1992
PubMed
Summary
This summary is machine-generated.

Hypoglycemia in infants, or low blood sugar, can severely impact brain development. Prompt diagnosis and treatment are crucial for infant brain health, addressing causes like excess insulin or impaired glucose production.

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Area of Science:

  • Neonatal Medicine
  • Pediatric Endocrinology
  • Metabolic Disorders

Background:

  • Infant brain development heavily relies on glucose metabolism.
  • Hypoglycemia in newborns poses significant risks to neurological function.
  • Early identification and intervention are critical for managing infant hypoglycemia.

Purpose of the Study:

  • To summarize the critical impact of infant hypoglycemia on brain function.
  • To outline the diverse range of causes contributing to hypoglycemia in infants.
  • To emphasize the importance of timely diagnosis and treatment.

Main Methods:

  • Review of established medical literature on infant hypoglycemia.
  • Categorization of known etiological factors.
  • Emphasis on clinical significance and management principles.

Main Results:

  • Hypoglycemia can lead to severe, lasting brain damage in infants.
  • Identified causes include hormonal imbalances (e.g., GH/ACTH deficiency, glucocorticoid deficiency) and metabolic enzyme defects.
  • Other causes involve abnormal insulin secretion and fatty acid oxidation issues.

Conclusions:

  • Infant hypoglycemia requires prompt recognition and management due to its potential for grave neurological consequences.
  • Understanding the varied causes is essential for effective treatment strategies.
  • Addressing hypoglycemia is vital for safeguarding infant brain health and development.