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Related Concept Videos

Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

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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...
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Diabetes: Management and Pharmacotherapy01:15

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The therapy for diabetes aims to alleviate hyperglycemia-related symptoms, prevent acute metabolic decompensation, and reduce chronic end-organ complications. Glycemic control is evaluated through short-term (self-monitoring, continuous glucose monitoring) and long-term (A1c, fructosamine) metrics, enabling near real-time tracking of blood glucose levels and reflecting glycemic control over specific time frames.
Insulin remains the cornerstone of treatment for most patients with type 1 and many...
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Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

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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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Diabetes: Symptoms, Diagnosis, and Complications01:15

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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...
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SBAR II: Application of SBAR01:14

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SBAR is an effective communication tool used by healthcare professionals to communicate patient information accurately. SBAR stands for Situation, Background, Assessment, and Recommendation. For a better understanding, an example is given below.
SBAR Report from a Nurse to a Health Care Provider
S: "Hello, Dr. Smith. This is Jane, RN, from the Med Surg unit. I am calling to tell you about Ms. White in Room 210, who is experiencing increased pain and redness at her incision site. Her recent...
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Diabetes Mellitus: Overview and Type I Subtype01:22

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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.
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Related Experiment Video

Updated: Mar 24, 2026

Improving IV Insulin Administration in a Community Hospital
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Spontaneous hypoglycemia: diagnostic evaluation and management.

Leelavathy Kandaswamy1, Rajeev Raghavan1, Joseph M Pappachan2

  • 1Department of Endocrinology & Diabetes, New Cross Hospital, The Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, WV10 0QP, UK.

Endocrine
|March 9, 2016
PubMed
Summary

Spontaneous hypoglycemia presents a diagnostic challenge. This article outlines the evaluation of hypoglycemia, including Whipple

Keywords:
72-Hour supervised fast testInsulin autoimmune syndromeInsulinomaNon-insulinoma pancreatogenous hypoglycemia syndromeNon-islet cell tumor hypoglycemiaPostprandial hypoglycemia (reactive hypoglycemia)Spontaneous hypoglycemia

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Area of Science:

  • Endocrinology
  • Metabolic Disorders
  • Clinical Diagnostics

Background:

  • Spontaneous hypoglycemia is a complex clinical issue requiring specialized endocrine evaluation.
  • Numerous conditions, from insulinomas to critical illness, can cause hypoglycemia.
  • Factitious causes, like surreptitious insulin use, can mimic organic disorders.

Observation:

  • Whipple's triad (hypoglycemic symptoms, low glucose, symptom relief with correction) is key.
  • A 72-hour supervised fast with biochemical markers is the initial diagnostic step.
  • Mixed meal tests are useful for suspected postprandial hypoglycemia.

Findings:

  • Diagnostic evaluation involves assessing insulin, c-peptide, pro-insulin, beta-hydroxybutyrate, and drug screens.
  • Further non-invasive or invasive tests are needed if an organic cause is suspected.
  • Clinical case scenarios illustrate diagnostic pathways.

Implications:

  • Accurate diagnosis of spontaneous hypoglycemia is crucial for appropriate management.
  • Understanding differential diagnoses prevents misdiagnosis and delayed treatment.
  • This comprehensive review aids clinicians in evaluating and managing hypoglycemia.