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Related Concept Videos

Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

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 based on...
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...
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...
Diabetes Mellitus: Introduction01:26

Diabetes Mellitus: Introduction

Diabetes mellitus consists of chronic metabolic disorders characterized by persistent hyperglycemia. This elevated blood glucose results from defects in insulin secretion, impaired insulin action, or both. Insulin, produced by pancreatic β-cells, is essential for maintaining glucose homeostasis by facilitating cellular glucose uptake for energy or storage. Disruptions in insulin production or function lead to glucose accumulation in the bloodstream, causing the clinical features and long-term...
Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis01:25

Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis

Type 2 diabetes mellitus develops gradually and is often asymptomatic in early stages.Clinical ManifestationsWhen symptoms appear, they include fatigue, blurred vision, pruritus, delayed wound healing, and recurrent infections, particularly candidal infections. Peripheral neuropathy may present as numbness or tingling in the extremities. Classic hyperglycemia symptoms—polyuria, polydipsia, and polyphagia—are less common. Most patients are overweight and frequently have associated hypertension...
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...

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Updated: Jun 4, 2026

Isolation of Human Islets from Partially Pancreatectomized Patients
11:10

Isolation of Human Islets from Partially Pancreatectomized Patients

Published on: July 30, 2011

Who is a diabetic?

C Reynolds, A K Garg

    Canadian Family Physician Medecin De Famille Canadien
    |February 9, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Defining diabetes mellitus involves identifying individuals with symptoms, asymptomatic glucose intolerance, or those screened for diabetes markers. Different types, like juvenile onset diabetes (JOD) and maturity onset diabetes (MOD), require varied management strategies.

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    Leprdb Mouse Model of Type 2 Diabetes: Pancreatic Islet Isolation and Live-cell 2-Photon Imaging Of Intact Islets

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    Effects of Mindfulness Training Combined with Tai Chi in Patients with Diabetic Peripheral Neuropathy
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    Isolation of Human Islets from Partially Pancreatectomized Patients
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    Published on: July 30, 2011

    Leprdb Mouse Model of Type 2 Diabetes: Pancreatic Islet Isolation and Live-cell 2-Photon Imaging Of Intact Islets
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    Effects of Mindfulness Training Combined with Tai Chi in Patients with Diabetic Peripheral Neuropathy
    05:06

    Effects of Mindfulness Training Combined with Tai Chi in Patients with Diabetic Peripheral Neuropathy

    Published on: July 14, 2023

    Area of Science:

    • Endocrinology
    • Metabolic Diseases
    • Clinical Diagnostics

    Background:

    • The definition of diabetes mellitus is complex, encompassing symptomatic individuals, those with asymptomatic glucose intolerance, and those identified through screening for associated markers.
    • Understanding the diverse presentations and diagnostic criteria is crucial for effective patient management and research.

    Purpose of the Study:

    • To clarify the multifaceted question of 'who is a diabetic?' by outlining different diagnostic categories and presentations.
    • To differentiate between various types of diabetes mellitus, including classical juvenile onset diabetes (JOD) and maturity onset diabetes (MOD).
    • To present clear criteria for interpreting oral glucose tolerance test (OGTT) results, defining normal, gray zone, and diabetic ranges.

    Main Methods:

    • Review and synthesis of existing clinical definitions and diagnostic criteria for diabetes mellitus.
    • Categorization of diabetic individuals based on symptoms, glucose tolerance test results, and association with other conditions or markers.
    • Presentation of specific criteria for normal, gray zone, and diabetic zones within the oral glucose tolerance test.

    Main Results:

    • Individuals identified as diabetic include those with classical symptoms, asymptomatic hyperglycemia, or those screened for diabetes-associated markers.
    • Juvenile onset diabetes (JOD) typically requires insulin therapy due to severe hyperglycemia and acid-base disturbances.
    • Maturity onset diabetes (MOD) and maturity onset diabetes of the young (MODY) can often be managed through weight reduction or dietary changes, with oral agents playing a minor role.

    Conclusions:

    • A clear framework is established for identifying individuals with diabetes mellitus based on clinical presentation and diagnostic testing.
    • The oral glucose tolerance test (OGTT) provides distinct zones (normal, gray, diabetic) crucial for accurate diagnosis.
    • Management strategies for diabetes mellitus should be tailored to the specific type and individual patient characteristics.