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Related Concept Videos

Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

3.9K
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...
3.9K
Factors Affecting Body Temperature01:28

Factors Affecting Body Temperature

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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:
8.7K
Increased Body Temperature01:25

Increased Body Temperature

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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...
6.4K
Body Temperature01:25

Body Temperature

3.7K
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...
3.7K
Body Temperature01:07

Body Temperature

1.8K
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...
1.8K
Decreased Body Temperature01:29

Decreased Body Temperature

1.2K
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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Related Experiment Video

Updated: May 4, 2026

Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
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Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management

Published on: November 21, 2017

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Disorders of body temperature.

Camilo R Gomez1

  • 1Neurological Institute of Alabama, Birmingham, AL, USA.

Handbook of Clinical Neurology
|December 25, 2013
PubMed
Summary

The human body regulates temperature through thermoregulation to prevent heat-related illnesses and hypothermia. Prompt management of body temperature disorders is crucial to avoid neurological damage.

Area of Science:

  • Physiology
  • Environmental Medicine
  • Clinical Medicine

Background:

  • The human body generates heat, necessitating a thermoregulatory system for dissipation.
  • Disorders of body temperature (hyperthermia, hypothermia) can cause neurologic dysfunction and are life-threatening.
  • Normal temperature maintenance relies on convection and evaporation in response to thermal stress.

Purpose of the Study:

  • To differentiate between hyperthermia and fever.
  • To outline heat-related illnesses and drug-induced hyperthermia.
  • To emphasize the importance of prompt management for hypothermia.

Main Methods:

  • Review of thermoregulatory mechanisms.
  • Classification of heat-related illnesses.
  • Discussion of drug-induced hyperthermia.
Keywords:
FeverHyperthermiaHypothermiaThermoregulation

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  • Definition and causes of hypothermia.

    • Main Results:

    • Hyperthermia involves abnormal temperature regulation, unlike fever, which operates at a higher set point.
    • Heat-related illnesses range in severity from heat rash to heat stroke.
    • Hypothermia results from environmental exposure, metabolic issues, or therapeutic interventions.

    Conclusions:

    • Effective management of hyperthermia and hypothermia is critical.
    • Timely intervention is essential to prevent secondary neurologic injury.
    • Understanding the distinct mechanisms of fever and hyperthermia is clinically important.