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Related Concept Videos

Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

228
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...
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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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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:
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Decreased Body Temperature01:29

Decreased Body Temperature

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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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Methods of reducing fever01:22

Methods of reducing fever

775
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:
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Types of Fever01:25

Types of Fever

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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: Sep 18, 2025

A Preclinical Model of Exertional Heat Stroke in Mice
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Published on: July 1, 2021

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Heat-Related Illnesses.

Francis G O'Connor1

  • 1Uniformed Services University of the Health Sciences School of Medicine, Bethesda, Maryland (F.G.O.).

Annals of Internal Medicine
|June 26, 2025
PubMed
Summary
This summary is machine-generated.

Climate change increases public health risks, primarily through heat stress. Recognizing and rapidly cooling heat stroke, a serious heat-related illness, is crucial for survival.

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Last Updated: Sep 18, 2025

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Area of Science:

  • Environmental science
  • Public health
  • Emergency medicine

Background:

  • Climate change is projected to worsen public health outcomes.
  • Increasing frequency of extreme heat events poses a significant threat.
  • Heat stress is a primary concern, leading to heat-related illnesses.

Purpose of the Study:

  • To highlight the growing threat of heat-related illness due to climate change.
  • To emphasize the critical nature of heat stroke as a medical emergency.
  • To outline the distinct forms and management of heat stroke.

Main Methods:

  • Review of existing literature on climate change impacts on public health.
  • Analysis of heat stress and heat-related illness trends.
  • Examination of heat stroke pathophysiology, demographics, and clinical courses.

Main Results:

  • Heat-related illness, particularly heat stroke, is expected to rise with more frequent extreme heat days.
  • Heat stroke is a life-threatening emergency requiring immediate recognition and cooling.
  • Two forms of heat stroke exist: classic and exertional, with differing patient profiles but similar treatment goals.

Conclusions:

  • Urgent public health interventions are needed to mitigate climate change-driven heat risks.
  • Prompt medical attention, including rapid cooling, is vital for heat stroke survival.
  • Understanding the distinct forms of heat stroke is essential for effective, standardized management.