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Related Concept Videos

Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

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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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Methods of reducing fever01:22

Methods of reducing fever

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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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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...
954
Requirements for Human Life01:26

Requirements for Human Life

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The Earth and its atmosphere have provided humans with air, water, and food, but these are not the only requirements for survival. Humans also require a specific range of temperature and pressure that the Earth and its atmosphere provides.
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...
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Related Experiment Video

Updated: Jan 7, 2026

A Preclinical Model of Exertional Heat Stroke in Mice
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Heat illness in Hawai'i.

Sarah Gordon1

  • 1Department of Medicine, Tripler Army Medical Center, Honolulu, HI 96859.

Hawai'I Journal of Medicine & Public Health : a Journal of Asia Pacific Medicine & Public Health
|December 6, 2014
PubMed
Summary

Heat illness is a common risk in Hawaii due to warm weather and outdoor activities. Early recognition and cooling are vital for managing this potentially life-threatening condition.

Area of Science:

  • Environmental Health
  • Sports Medicine
  • Emergency Medicine

Background:

  • Hawaii's tropical climate, proximity to the equator, and high humidity create a high-risk environment for heat illness.
  • Abundant opportunities for outdoor recreation increase exposure and risk for residents and tourists.
  • Understanding heat illness is crucial for public health in tropical and subtropical regions.

Observation:

  • Heat illness encompasses a spectrum of conditions arising from exposure to heat.
  • Risk factors include environmental conditions and physical activity levels.
  • Recognizing symptoms is key to timely intervention.

Findings:

  • This paper details the physiology, identification, and treatment of heat illness.
  • Severe heat illness poses a life-threatening risk.

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Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
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  • Effective management requires prompt recognition and cooling.

    • Implications:

    • Outdoor enthusiasts need basic knowledge of heat illness prevention and recognition.
    • Appropriate management strategies are essential in both pre-hospital and hospital settings.
    • Early recognition and rapid cooling are paramount for positive patient outcomes and preventing severe complications.