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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.
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...
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:
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:
Types of Fever01:25

Types of Fever

Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
Here are the different types of fever:

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Related Experiment Video

Updated: Jun 1, 2026

A Preclinical Model of Exertional Heat Stroke in Mice
08:22

A Preclinical Model of Exertional Heat Stroke in Mice

Published on: July 1, 2021

Heat-related illness.

Jonathan A Becker1, Lynsey K Stewart

  • 1University of Louisville, KY 40202, USA. jon.becker@louisville.edu

American Family Physician
|June 14, 2011
PubMed
Summary
This summary is machine-generated.

Heat-related illnesses, from heat exhaustion to fatal heat stroke, are preventable. Prompt cooling and medical evaluation are critical for survival, especially when core temperature exceeds 104°F (40°C).

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Last Updated: Jun 1, 2026

A Preclinical Model of Exertional Heat Stroke in Mice
08:22

A Preclinical Model of Exertional Heat Stroke in Mice

Published on: July 1, 2021

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

Prevention of Heat Stress Adverse Effects in Rats by Bacillus subtilis Strain
07:57

Prevention of Heat Stress Adverse Effects in Rats by Bacillus subtilis Strain

Published on: July 11, 2016

Area of Science:

  • Environmental Health
  • Emergency Medicine
  • Physiology

Background:

  • Heat-related illnesses encompass a spectrum of conditions, including heat exhaustion and heat stroke.
  • High temperatures and humidity stress the body's cardiovascular system.
  • Core temperatures above 104°F (40°C) can cause cellular damage, leading to organ failure.

Purpose of the Study:

  • To outline the recognition, diagnosis, and management of heat-related illnesses.
  • To emphasize the importance of rapid cooling in heat stroke cases.
  • To highlight the need for identifying at-risk populations for preventive strategies.

Main Methods:

  • Review of clinical manifestations of heat-related illnesses.
  • Discussion of diagnostic indicators, including core temperature measurement.
  • Outline of therapeutic interventions, focusing on cooling methods and supportive care.

Main Results:

  • Milder symptoms include headache, weakness, and dizziness, managed with rest and hydration.
  • Heat stroke requires immediate core temperature reduction via cold water immersion or other cooling techniques.
  • Delayed cooling is a primary factor in heat stroke morbidity and mortality.

Conclusions:

  • Early symptom recognition and accurate temperature monitoring are vital for prompt diagnosis.
  • Effective management involves rapid cooling, hydration, and environmental modification.
  • Proactive identification of vulnerable groups is essential for public health prevention efforts.