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Related Concept Videos

Hyperglycemia01:29

Hyperglycemia

35
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...
35
Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

1.3K
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...
1.3K
Hypoglycemia01:26

Hypoglycemia

34
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...
34
Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

2.5K
For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
2.5K
Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

5.0K
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...
5.0K
Type I Diabetes III: Clinical Manifestations01:19

Type I Diabetes III: Clinical Manifestations

53
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...
53

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Related Experiment Video

Updated: May 6, 2026

Author Spotlight: Investigating the Blood Glucose Homeostasis in Murine Brain Using a Cost-Effective Hyperglycemic And Hypoglycemic Clamp Technique
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Author Spotlight: Investigating the Blood Glucose Homeostasis in Murine Brain Using a Cost-Effective Hyperglycemic And Hypoglycemic Clamp Technique

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Hyperglycemia and what to do about it.

Kevin T Collopy1, Sean M Kivlehan, Scott R Snyder

  • 1Vitalink/Airlink, Wilmington, NC, USA. kcollopy@colgatealumni.org

EMS World
|November 7, 2013
PubMed
Summary
This summary is machine-generated.

Hyperglycemia, or high blood sugar, can occur in any patient, not just those with diabetes. Early prehospital treatment with IV fluids is crucial for improving outcomes in patients with serious illness.

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Area of Science:

  • Endocrinology
  • Metabolic Disorders
  • Critical Care Medicine

Background:

  • Diabetes mellitus is a complex metabolic disease affecting millions.
  • The pancreas and insulin are vital for glucose metabolism and control.
  • Metabolic stressors can impair insulin function, leading to hyperglycemia.

Purpose of the Study:

  • To highlight the prevalence and risks of hyperglycemia in non-diabetic patients.
  • To differentiate between diabetic ketoacidosis (DKA) and hyperosmolar hyperglycemic state (HHS).
  • To emphasize the importance of early prehospital intervention for hyperglycemia.

Main Methods:

  • This abstract discusses the clinical presentation and management of hyperglycemia.
  • It contrasts the characteristics of DKA and HHS.
  • It advocates for early assessment of blood sugar in critically ill patients.

Main Results:

  • Hyperglycemia can occur in any patient experiencing significant metabolic stress.
  • Hyperglycemia is a predictor of increased mortality if not treated promptly.
  • DKA and HHS present differently regarding onset, blood sugar levels, and acidosis.

Conclusions:

  • Blood glucose should be monitored in all seriously ill patients, regardless of diabetic history.
  • Early and aggressive intravenous fluid administration is critical for managing hyperglycemia.
  • Prompt prehospital intervention can significantly improve patient outcomes and recovery speed.