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Related Concept Videos

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

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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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Increased Body Temperature01:25

Increased Body Temperature

4.0K
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...
4.0K
Homeostatic Imbalances in Body Temperature01:19

Homeostatic Imbalances in Body Temperature

767
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...
767
Thermoregulation01:26

Thermoregulation

1.5K
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,...
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Related Experiment Video

Updated: Oct 7, 2025

Short-Duration Hypothermia Induction in Rats using Models for Studies examining Clinical Relevance and Mechanisms
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Accidental Hypothermia: 2021 Update.

Peter Paal1,2, Mathieu Pasquier2,3, Tomasz Darocha4

  • 1Department of Anesthesiology and Intensive Care Medicine, St. John of God Hospital, Paracelsus Medical University, 5020 Salzburg, Austria.

International Journal of Environmental Research and Public Health
|January 11, 2022
PubMed
Summary
This summary is machine-generated.

Accidental hypothermia, a dangerous drop in body temperature, affects many worldwide. Prompt recognition and specialized care, including extracorporeal life support (ECLS), improve survival rates for hypothermic cardiac arrest patients.

Keywords:
accidental hypothermiacardiac arrestcardiopulmonary resuscitationemergency medicineextracorporeal life supportrewarming

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Area of Science:

  • Emergency Medicine
  • Critical Care
  • Environmental Health

Background:

  • Accidental hypothermia (core temperature < 35 °C) is a significant risk in emergency patients, including injured and intoxicated individuals.
  • Thousands die annually from primary and secondary hypothermia globally, highlighting the need for preventive measures and rapid intervention.
  • Hypothermia management is crucial in prehospital and emergency settings, especially for vulnerable populations.

Purpose of the Study:

  • To outline the diagnosis, risk assessment, and management strategies for accidental hypothermia.
  • To emphasize the critical role of extracorporeal life support (ECLS) in severe hypothermia cases and cardiac arrest.
  • To highlight improved survival and neurological outcomes in hypothermic cardiac arrest patients.

Main Methods:

  • Clinical assessment of hypothermia, including core temperature measurement and cardiac arrest risk factors.
  • Direct transfer protocols for high-risk hypothermic patients to specialized Extracorporeal Life Support (ECLS) centers.
  • Implementation of continuous, mechanical, or intermittent cardiopulmonary resuscitation (CPR) based on patient condition.
  • Application of passive, active external, and internal rewarming techniques, including Extracorporeal Membrane Oxygenation (ECMO).

Main Results:

  • Hypothermic patients, particularly those in cardiac arrest, demonstrate higher survival and better neurological outcomes compared to normothermic patients.
  • Early recognition of risk factors for cardiac arrest in hypothermic patients guides timely transfer to ECLS centers.
  • Advanced rewarming techniques like ECMO are essential for refractory hypothermia and cardiac arrest.

Conclusions:

  • Effective management of accidental hypothermia requires prompt diagnosis, risk stratification, and appropriate rewarming strategies.
  • Extracorporeal life support (ECLS) and advanced cardiopulmonary resuscitation (CPR) are vital for improving outcomes in severe hypothermia with cardiac arrest.
  • A comprehensive post-resuscitation care bundle is recommended to complement hypothermia treatment.