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Related Concept Videos

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 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...
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...
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...
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.

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Improving IV Insulin Administration in a Community Hospital
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Published on: June 11, 2012

Glycemic variability: Clinical implications.

Surabhi Venkata Satya Krishna1, Sunil K Kota, Kirtikumar D Modi

  • 1Department of Endocrinology, Medwin Hospital, Hyderabad, Andhra Pradesh, India.

Indian Journal of Endocrinology and Metabolism
|August 21, 2013
PubMed
Summary
This summary is machine-generated.

Glycemic variability (GV) is linked to cardiovascular risk in diabetes. Minimizing GV, alongside other glycemic measures, may help prevent cardiovascular events in Type 2 diabetes patients.

Keywords:
Diabetes mellitusglycemic variabilityincretinsoxidative stress

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Area of Science:

  • Endocrinology
  • Metabolic Diseases
  • Cardiovascular Research

Background:

  • Prospective trials confirm glycemic control prevents microvascular diabetic complications.
  • The Diabetes Control and Complications Trial (DCCT) linked variable glycated hemoglobin (HbA1C) to increased microvascular issues.
  • The direct link between glycemic variability and macrovascular complications remains under investigation.

Purpose of the Study:

  • To explore the role of glycemic variability (GV) in cardiovascular risk among diabetic patients.
  • To highlight GV as a crucial factor in diabetes management, alongside fasting blood sugar, postprandial blood sugar, HbA1C, and quality of life (the glycemic pentad).
  • To discuss the mechanisms, clinical implications, and control strategies for GV.

Main Methods:

  • Review of existing literature on glycemic control, variability, and cardiovascular events in diabetes.
  • Analysis of the proposed 'glycemic pentad' for comprehensive diabetes management.
  • Discussion of modern therapeutic approaches addressing GV.

Main Results:

  • Glycemic variability (GV), encompassing postprandial spikes and hypoglycemia, is implicated in increased cardiovascular events in Type 2 diabetes.
  • Minimizing GV is proposed as a strategy to prevent future cardiovascular events.
  • Modern diabetes management strategies effectively address GV.

Conclusions:

  • Glycemic variability is a significant factor contributing to cardiovascular risk in diabetic patients.
  • Comprehensive diabetes management should consider GV alongside other glycemic parameters.
  • Current therapeutic advancements offer effective means to control GV and potentially mitigate cardiovascular risks.