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Related Concept Videos

Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

195
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...
195
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...
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Types of Fever01:25

Types of Fever

547
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:
547
Methods of reducing fever01:22

Methods of reducing fever

756
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:
756
Decreased Body Temperature01:29

Decreased Body Temperature

695
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...
695
Mechanisms of Heat Transfer01:14

Mechanisms of Heat Transfer

504
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
504

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Related Experiment Video

Updated: Sep 12, 2025

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

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[Heatstroke].

Christophe Bianchi1,2, Laurent Vallotton1, Pierre-Nicolas Carron1

  • 1Service des Urgences, Centre Hospitalier Universitaire Vaudois, Lausanne.

Praxis
|August 7, 2025
PubMed
Summary
This summary is machine-generated.

Heat stroke is a severe condition exacerbated by rising temperatures. Early cooling and supportive care are crucial for managing heat stroke and preventing multi-organ damage.

Keywords:
Heatstrokeactive coolingdiagnosis

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Related Experiment Videos

Last Updated: Sep 12, 2025

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Area of Science:

  • Environmental Health
  • Cardiovascular Physiology
  • Public Health

Background:

  • Heat stroke is a critical, often underdiagnosed condition with classic and exercise-induced subtypes.
  • Increasing global temperatures due to climate change are leading to a rise in heat stroke incidence.
  • The condition's pathophysiology involves the cardiovascular system's adaptive capacity and can lead to systemic inflammation and multi-organ damage.

Purpose of the Study:

  • To highlight the increasing prevalence and severity of heat stroke.
  • To emphasize the link between cardiovascular adaptation and heat stroke pathophysiology.
  • To outline current management and prevention strategies for heat stroke.

Main Methods:

  • Review of current literature on heat stroke pathophysiology and clinical presentation.
  • Analysis of the impact of climate change on heat stroke incidence.
  • Synthesis of established and emerging management and public health strategies.

Main Results:

  • Heat stroke is increasingly common due to rising global temperatures.
  • Cardiovascular system adaptation is central to heat stroke pathophysiology.
  • Neurological symptoms are a key clinical indicator of heat stroke.
  • Multi-organ damage can occur due to systemic inflammation.

Conclusions:

  • Effective heat stroke management relies on prompt and aggressive cooling and vital function support.
  • Community and public health initiatives are essential for preventing heat stroke.
  • Understanding the pathophysiology is key to improving patient outcomes and public health responses.