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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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Hypoglycemia01:26

Hypoglycemia

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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...
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Hyperglycemia01:29

Hyperglycemia

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

Type I Diabetes III: Clinical Manifestations

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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...
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Diabetic Ketoacidosis l: Introduction01:25

Diabetic Ketoacidosis l: Introduction

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DefinitionDiabetic ketoacidosis (DKA) is an acute, life-threatening complication of diabetes mellitus, characterized by a triad of hyperglycemia (blood glucose >250 mg/dL), ketonemia or ketonuria, and metabolic acidosis (arterial pH <7.30 and serum bicarbonate <18 mEq/L). It results from insulin deficiency combined with elevated levels of counterregulatory hormones—glucagon, catecholamines, cortisol, and growth hormone—leading to increased lipolysis, hepatic...
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Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

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Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...
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Improving IV Insulin Administration in a Community Hospital
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[Malignant hypoglycaemia].

Johannes Rigger1, Gian-Reto Kleger2, David Semela3

  • 1Departement Innere Medizin, Kantonsspital St. Gallen.

Praxis
|April 2, 2014
PubMed
Summary
This summary is machine-generated.

A young patient experienced seizures from severe hypoglycemia, leading to the diagnosis of a neuroendocrine pancreatic tumor. This case highlights the importance of investigating hormone-secreting tumors in young individuals presenting with unexplained hypoglycemia.

Keywords:
HypoglykämieLebermetastasenhypoglycaemialiver metastasisneuroendocrine pancreatic tumorsneuroendokriner Pankreastumor

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Area of Science:

  • Endocrinology
  • Oncology
  • Internal Medicine

Background:

  • Neuroendocrine tumors (NETs) are rare neoplasms that can secrete hormones, leading to various clinical syndromes.
  • Hyperinsulinemic hypoglycemia is a critical condition that requires prompt diagnosis and management.

Observation:

  • A 19-year-old patient presented with seizures attributed to severe hypoglycemia during a general practitioner consultation.
  • Clinical suspicion of liver metastasis and hyperinsulinemic hypoglycemia suggested a hormone-active tumor.

Findings:

  • Diagnostic workup, including liver biopsy and CT scan, confirmed a neuroendocrine pancreatic tumor.
  • The patient's condition was linked to a hormone-secreting pancreatic neoplasm.

Implications:

  • This case underscores the necessity of considering neuroendocrine pancreatic tumors in the differential diagnosis of young patients with unexplained hyperinsulinemic hypoglycemia and seizures.
  • Early diagnosis and initiation of oncological therapy are crucial for managing such rare conditions.