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Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: Symptoms, Diagnosis, and Complications

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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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Diabetes Mellitus: Type 2 and Gestational01:22

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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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Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

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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,...
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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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Overview of Carbohydrate Metabolism01:19

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Carbohydrate metabolism is a fundamental biochemical process that ensures a constant supply of energy to living cells. The most important carbohydrate is glucose, which can be broken down via glycolysis to enter into the Krebs cycle and eventually lead to the production of ATP through oxidative phosphorylation.
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Metabolic States of the Body: Fasting and Starvation01:24

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During the initial hours of fasting, the body uses up its glycogen stores as an energy source. Once these glycogen reserves are depleted, the body begins breaking down stored triglycerides and structural proteins. During this stage, glycerol becomes a key substrate for gluconeogenesis, while free fatty acids undergo beta-oxidation to provide energy for tissues, such as skeletal muscle. In the fasting state, the body spares protein breakdown as much as possible to conserve muscle and structural...
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Related Experiment Video

Updated: Jan 4, 2026

Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test OGTT and Insulin Tolerance Test ITT
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Ramadan fasting and Diabetes: 10 pitfalls to avoid.

Ines Slim, Yosra Hasni

    La Tunisie Medicale
    |November 7, 2019
    PubMed
    Summary

    Fasting during Ramadan poses risks for people with diabetes mellitus (DM). This guide helps physicians avoid 10 common pitfalls when educating diabetic patients who choose to fast.

    Area of Science:

    • Endocrinology
    • Metabolic Disorders
    • Public Health

    Background:

    • Fasting during Ramadan is a core Islamic practice.
    • Diabetes mellitus (DM) management during Ramadan presents significant challenges.
    • Diabetic individuals fasting may face risks like hypoglycemia, hyperglycemia, and dehydration.

    Purpose of the Study:

    • To guide physicians in educating patients with DM about Ramadan fasting.
    • To highlight potential risks associated with fasting for diabetic individuals.
    • To provide a framework for safe Ramadan fasting practices in DM patients.

    Main Methods:

    • Literature review on Ramadan fasting and diabetes management.
    • Clinical guidelines synthesis for physician education.
    • Identification and categorization of common educational pitfalls.

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    Main Results:

    • Fasting Ramadan can exacerbate DM complications if not managed properly.
    • Physicians require specific knowledge to address patient concerns during Ramadan.
    • Ten key pitfalls in patient education have been identified.

    Conclusions:

    • Proper patient education is crucial for safe Ramadan fasting in DM.
    • Addressing potential risks proactively can mitigate adverse outcomes.
    • Physicians play a vital role in ensuring the well-being of fasting diabetic patients.