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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...
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...
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

Type 1 diabetes mellitus typically presents with rapid-onset symptoms due to the body’s inability to utilize glucose in the absence of insulin. Since insulin is required for glucose uptake into cells, its deficiency leads to hyperglycemia and cellular energy deprivation, resulting in characteristic clinical features.Polyuria and PolydipsiaOne of the earliest, most prominent symptoms is polyuria (excessive urination). When blood glucose concentrations rise above the renal threshold, the kidneys...
Type II Diabetes II: Pathophysiology01:24

Type II Diabetes II: Pathophysiology

PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...

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Updated: Jul 3, 2026

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice
07:35

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice

Published on: January 26, 2024

[Hypoglycemia and diabetes].

S Ardigo1, J Philippe

  • 1Service de diabétologie, endocrinologie et nutrition, HUG, 1211 Genève 14. sheila.ardigo@hcuge.ch

Revue Medicale Suisse
|July 17, 2008
PubMed
Summary
This summary is machine-generated.

Hypoglycaemia, or low blood sugar, is a major hurdle in diabetes management. Early detection and patient education are key to preventing and treating this condition, especially in elderly patients with diabetes.

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Last Updated: Jul 3, 2026

Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice
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Improving IV Insulin Administration in a Community Hospital
12:08

Improving IV Insulin Administration in a Community Hospital

Published on: June 11, 2012

Area of Science:

  • Endocrinology
  • Diabetology
  • Neurology

Context:

  • Hypoglycaemia significantly impedes glycemic control in patients with diabetes.
  • Autonomic neuropathy and dysregulated counter-regulatory mechanisms increase hypoglycaemia risk in type 1 and long-standing type 2 diabetes.
  • Elderly diabetic patients present unique diagnostic and clinical challenges due to atypical hypoglycaemia symptoms.

Purpose:

  • To highlight the challenges and importance of managing hypoglycaemia in diabetic patients.
  • To emphasize the role of early detection, patient education, and individualized treatment strategies.

Summary:

  • Hypoglycaemia is a critical barrier to achieving optimal glycemic control.
  • Increased incidence in type 1 and long-term type 2 diabetes is linked to autonomic neuropathy and impaired counter-regulation.
  • Delayed diagnosis in the elderly due to unusual presentations necessitates prompt recognition and management.
  • Effective treatment relies on early symptom identification by patients and families.
  • Prevention strategies include identifying individual risk factors and tailoring treatment to patient lifestyles.

Impact:

  • Improved patient outcomes through better glycemic control and reduced hypoglycaemia incidence.
  • Enhanced clinical awareness and diagnostic approaches for hypoglycaemia, particularly in the elderly.
  • Empowered patients and families through education, leading to proactive management and prevention of hypoglycaemic events.