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Related Concept Videos

Factors Affecting Body Temperature01:28

Factors Affecting Body Temperature

As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may  include:
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...
Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
Body Temperature01:25

Body Temperature

The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
Body Temperature01:07

Body Temperature

Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
The average body temperature is approximately 37°C (98.6°F) and typically ranges from 36.1–37.2°C (97–99°F), remaining relatively stable...
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: Jul 12, 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

[Clinical possibilities for controlling body temperature].

F Bach1, F Mertzlufft

  • 1Klinik für Anästhesiologie und Intensivmedizin, Evangelisches Krankenhaus Bielefeld - Standort Gilead, Burgsteig 13, 33617 Bielefeld. Friedhelm.Bach@evkb.de

Der Anaesthesist
|September 6, 2007
PubMed
Summary

Maintaining stable body temperature (CBT) is vital for health. While hypothermia increases risks, induced hypothermia can protect the brain after injury.

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Area of Science:

  • Physiology and Homeostasis
  • Thermoregulation in Organisms

Context:

  • Constant body temperature (CBT) is crucial for biochemical and biophysical reactions in homeostatic organisms.
  • Deviations from normothermia (36.8±0.4°C) are life-threatening; perioperative hypothermia increases morbidity and mortality, particularly in high-risk patients.
  • Factors contributing to increased risk include coagulation disturbances, infection, and cardiac events.

Purpose:

  • To highlight the critical role of normothermia and the risks associated with perioperative hypothermia.
  • To introduce induced hypothermia as a neuroprotective strategy for minimizing neuronal damage after ischemic events.
  • To outline the management principles of induced hypothermia, including cooling, rewarming, and parameter control.

Summary:

  • Maintaining normothermia is essential, requiring consistent warmth-conserving measures to mitigate perioperative risks.
  • Induced hypothermia, a deliberate reduction in body temperature, serves as a therapeutic option for neuroprotection.
  • This strategy aims to reduce secondary neuronal damage following hypoxic-ischemic events and enhance tolerance to ischemia.
  • Effective management involves controlled cooling, rewarming, and careful monitoring of various physiological parameters.
  • Potential side effects of induced hypothermia must be carefully considered and managed, increasing with lower temperatures.

Impact:

  • Emphasizes the clinical significance of precise thermoregulation in patient outcomes.
  • Provides insights into therapeutic hypothermia as a viable neuroprotective intervention.
  • Underscores the need for careful management and consideration of side effects in hypothermia protocols.