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Related Concept Videos

Decreased Body Temperature01:29

Decreased Body Temperature

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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
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Frost Action on Concrete01:27

Frost Action on Concrete

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Concrete structures in cold climates, such as those along roadsides, can retain moisture. This moisture makes them susceptible to frost-related damage when temperatures fall below freezing. Adding moisture worsens the damage during temperature fluctuations, leading to repeated freezing and thawing. De-icing salts, spread over these structures to melt ice, add to the freeze-thaw cycle, and draw even more moisture into the concrete.
This freeze-thaw cycle primarily causes surface scaling, where...
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Corrosion02:49

Corrosion

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The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
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Frost Resistant Concrete01:29

Frost Resistant Concrete

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Concrete's susceptibility to frost damage during freeze-thaw cycles demands strategic measures to enhance its frost resistance. Employing techniques like air entrainment, adjusting the water-cement ratio, proper curing, and selecting appropriate aggregates are essential.
Introducing microscopic air bubbles into the concrete mix through air entrainment creates small voids that accommodate ice expansion, thereby reducing internal pressures and preventing cracking. The optimal amount of...
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Corrosion of Reinforcement01:27

Corrosion of Reinforcement

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The corrosion of steel reinforcement within concrete is a process influenced by the material's inherent properties and external factors. The high pH level of around 13, provided by calcium hydroxide present in concrete, initially protects the steel reinforcement by promoting the formation of a passive iron oxide layer on its surface.
However, over time and under certain conditions like carbonation, chloride ingress, and cracking this protective state can be compromised. Steel has areas with...
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Necrosis01:16

Necrosis

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Necrosis is considered as an “accidental” or unexpected form of cell death that ends in cell lysis. The first noticeable mention of “necrosis” was in 1859 when Rudolf Virchow used this term to describe advanced tissue breakdown in his compilation titled “Cell Pathology”.
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Related Experiment Video

Updated: Oct 6, 2025

The Use of High-resolution Infrared Thermography HRIT for the Study of Ice Nucleation and Ice Propagation in Plants
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[Corrosions and frostbites].

Mia Demant1, Elisabeth Lauritzen1, Christian Lyngsaa Lang1

  • 1Afdeling for Plastikkirurgi og Brandsårsbehandling, Københavns Universitetshospital - Rigshospitalet.

Ugeskrift for Laeger
|January 21, 2022
PubMed
Summary

This review covers treatments for chemical burns (CB) and frostbites, which are rare but require prompt medical attention. Key interventions include dilution for CB and rewarming for frostbites to prevent tissue damage.

Area of Science:

  • Burns and cold injury management
  • Emergency medicine
  • Wound care

Background:

  • Thermal burns constitute approximately 90% of all burn injuries.
  • Chemical burns (CB) and frostbites represent a smaller but significant portion of burn cases.
  • Prompt and appropriate treatment is critical for managing CB and frostbites.

Purpose of the Study:

  • To provide an overview of current treatment strategies for chemical burns and frostbites.
  • To highlight the importance of timely intervention in cases of CB and frostbite.
  • To outline the essential steps in managing these specific types of injuries.

Main Methods:

  • Literature review of treatment protocols for chemical burns and frostbites.
  • Synthesis of recommended immediate actions for dilution and neutralization of chemical agents.

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  • Description of sequential management steps for frostbite, including rewarming and potential surgical interventions.

    • Main Results:

    • Chemical burns require immediate dilution, ideally with a neutralizing solution.
    • Systemic hypothermia management takes precedence over peripheral frostbite treatment.
    • Frostbite treatment involves warm water immersion, vasodilation, thrombolysis, and amputation if necessary.

    Conclusions:

    • Effective management of chemical burns and frostbites relies on rapid and appropriate interventions.
    • A systematic approach, prioritizing systemic stability and then local treatment, is crucial.
    • Understanding these specific treatment pathways can improve patient outcomes for rare but severe injuries.