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Related Concept Videos

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...
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.
Thermoregulation01:26

Thermoregulation

The human body has a sophisticated thermoregulation system that employs negative feedback mechanisms to maintain an optimal core temperature. When the core temperature drops, peripheral and central thermoreceptors send signals to the hypothalamus, activating the heat-promoting center. This center triggers several responses aimed at increasing the core temperature. First, vasoconstriction reduces the flow of warm blood from internal organs to the skin so that the heat is not lost from the skin,...
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...
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...

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Related Experiment Video

Updated: Jul 10, 2026

Protocol for Long Duration Whole Body Hyperthermia in Mice
07:56

Protocol for Long Duration Whole Body Hyperthermia in Mice

Published on: August 25, 2012

Hyperthermia, a modality in the wings.

A Szasz1

  • 1Biotechnics Department, St. Istvan University, Budapest, Hungary. szasz.andras@gek.szie.hu

Journal of Cancer Research and Therapeutics
|November 14, 2007
PubMed
Summary
This summary is machine-generated.

Hyperthermia, a heat treatment, shows promise in oncology but faces challenges in acceptance. Shifting quality assurance from temperature to heat-dose sensitivity is crucial for its serious medical use.

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Area of Science:

  • Oncology
  • Medical Physics
  • Biophysics

Background:

  • Hyperthermia, a heat treatment, is recognized for its effects in oncology.
  • Despite its ancient origins and promising physical approach, hyperthermia lacks widespread acceptance in serious medical use.
  • Challenges include biological, physical/technical, and physiological problems, alongside issues with quality assurance.

Purpose of the Study:

  • To address the lack of acceptance for hyperthermia in serious medical use.
  • To identify the core limitations hindering the adoption of hyperthermia.
  • To propose a new paradigm for hyperthermia quality assurance.

Main Methods:

  • Review of existing literature on hyperthermia in oncology.
  • Analysis of limitations in biological, physical/technical, and physiological aspects.
  • Conceptual re-evaluation of quality assurance metrics for hyperthermia.

Main Results:

  • Hyperthermia's effectiveness is established, but its acceptance is limited by technical and biological challenges.
  • Current quality assurance based on temperature is insufficient.
  • A shift towards heat-dose sensitive characterization is needed.

Conclusions:

  • The primary barrier to hyperthermia acceptance is its incorrect characterization and unrealistic expectations.
  • Replacing temperature-based quality assurance with heat-dose sensitive characterization is essential.
  • This shift will better define and validate hyperthermia as a capable medical treatment.