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Related Concept Videos

Ionic Bonds00:42

Ionic Bonds

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Overview
When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.
Opposing Charges Hold Ions Together in Ionic Compounds
Ionic bonds are reversible electrostatic interactions between ions...
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Introduction to Electrolytes01:33

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In humans, electrolytes play a vital role in various physiological processes. Balancing electrolyte levels is essential for normal body functions; their imbalance can be life-threatening. The major electrolytes include sodium, potassium, chloride, calcium, phosphate, and bicarbonate. They are primarily involved in physiological processes, such as nerve signal transmission, membrane trafficking, muscle contraction, buffering body fluids, and balancing water levels in the body.
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Cytotoxic Edema: Pathophysiology01:21

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Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous...
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Chronic Kidney Disease II: Clinical Manifestations01:24

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Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
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Electron Transport Chain: Complex I and II01:46

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The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
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Author Spotlight: Exploring the Role of Ion Channels in Cancer: Characterization and Potential Treatment Approaches
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Author Spotlight: Exploring the Role of Ion Channels in Cancer: Characterization and Potential Treatment Approaches

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Electrolyte disorders associated with cancer.

Mitchell H Rosner1, Alan C Dalkin1

  • 1Division of Nephrology, University of Virginia Health System, Charlottesville, VA; and Division of Endocrinology and Metabolism, University of Virginia Health System, Charlottesville, VA.

Advances in Chronic Kidney Disease
|December 24, 2013
PubMed
Summary

Cancer patients often develop electrolyte abnormalities like hyponatremia and hypercalcemia. Recognizing and treating these imbalances is crucial for patient well-being and effective cancer therapy.

Keywords:
CancerHypercalcemiaHypokalemiaHyponatremiaHypophosphatemia

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Area of Science:

  • Oncology
  • Internal Medicine
  • Clinical Chemistry

Background:

  • Malignancy is frequently associated with serum electrolyte abnormalities.
  • Causes can be general or linked to paraneoplastic syndromes, impacting prognosis.
  • Electrolyte disturbances can impair quality of life and limit chemotherapy options.

Purpose of the Study:

  • To highlight the significance of electrolyte abnormalities in cancer patients.
  • To emphasize the need for prompt diagnosis and management of these disorders.

Main Methods:

  • Review of common electrolyte disturbances in oncology.
  • Discussion of etiologies, including paraneoplastic syndromes.
  • Emphasis on clinical recognition and therapeutic interventions.

Main Results:

  • Common electrolyte imbalances include hyponatremia, hypokalemia, hyperkalemia, hypophosphatemia, and hypercalcemia.
  • Paraneoplastic electrolyte disorders indicate a poor prognosis.
  • Management of these abnormalities is vital for patient care.

Conclusions:

  • Prompt identification and treatment of electrolyte abnormalities are essential in cancer care.
  • These interventions improve patient quality of life and treatment adherence.
  • Understanding the link between cancer and electrolyte balance is critical for oncologists.