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Related Concept Videos

Decreased Body Temperature01:29

Decreased Body Temperature

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 sustained extreme cold exposure, and severe...
Methods of reducing fever01:22

Methods of reducing fever

The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
Mechanism of heat transfer01:19

Mechanism of heat transfer

Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
Masonry in Cold and Hot Weather Conditions01:21

Masonry in Cold and Hot Weather Conditions

In cold weather, masonry construction requires specific precautions to ensure mortar does not freeze before curing, as this can significantly weaken its strength and watertightness. Mortar temperature should be maintained between 60°F and 80°F to support proper hydration and curing. Below 40°F, mortar water must be heated, but should not exceed 120°F as high temperatures can reduce mortar's compressive and bond strength.
Other key practices include keeping masonry units and sand dry and...
Diversity of Archaea IV01:29

Diversity of Archaea IV

Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist thermal...
Increased Body Temperature01:25

Increased Body Temperature

A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in response to an infection or illness.

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Related Experiment Video

Updated: May 24, 2026

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
06:43

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management

Published on: November 21, 2017

Iceman Survived due to Cooling Device.

M Roser1, F Martens, C Storm

  • 1Department of Internal Medicine/Cardiology, German Heart Institute Berlin, Augustenburger Platz 1, 13353 Berlin, Germany.

ISRN Cardiology
|February 21, 2012
PubMed
Summary
This summary is machine-generated.

Accidental severe hypothermia lacks standard treatment. A surface cooling device with automatic temperature feedback effectively and safely rewarmed a 75-year-old man with severe hypothermia.

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Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
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Area of Science:

  • Emergency Medicine
  • Critical Care Medicine
  • Thermoregulation

Background:

  • Standard postresuscitation care includes mild hypothermia treatment.
  • Established protocols for accidental severe hypothermia rewarming are lacking.
  • Various invasive and noninvasive rewarming strategies exist.

Observation:

  • A 75-year-old male presented with accidental severe hypothermia (body temperature 23°C).
  • The patient was treated using a surface cooling device with an automatic controlled temperature feedback mechanism.
  • The device used was the ArcticSun2000 Medivance.

Findings:

  • The surface cooling device facilitated controlled rewarming.
  • The method proved effective in managing severe hypothermia.
  • The rewarming process was deemed safe for the patient.

Implications:

  • This case demonstrates a potentially effective and safe rewarming method for accidental severe hypothermia.
  • The findings suggest a viable option for a life-threatening condition lacking standardized treatment.
  • Further research may validate this approach for broader clinical application.