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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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Factors Affecting Body Temperature01:28

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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

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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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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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Mechanisms of Heat Transfer01:14

Mechanisms of Heat Transfer

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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...
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A Preclinical Model of Exertional Heat Stroke in Mice
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Heat-Related Mortality.

Matthias An der Heiden1, Stefan Muthers, Hildegard Niemann

  • 1Department of Infectious Disease Epidemiology, Robert Koch Institute (RKI), Berlin; Department of Epidemiology and Health Monitoring, RKI, Berlin; Department of Methodology and Research Infrastructure, RKI, Berlin; German Meteorological Service (DWD), Research Centre Human Biometeorology, Freiburg.

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Summary
This summary is machine-generated.

Heat waves are increasing due to climate change, impacting mortality. Preventive health measures appear to be reducing heat

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Area of Science:

  • Environmental Health
  • Epidemiology
  • Climate Change Impact

Background:

  • Global warming is increasing heat wave frequency, intensity, and duration.
  • Elderly and chronically ill individuals are particularly vulnerable to heat-related health issues.
  • This study examines temporal trends in heat wave effects and the efficacy of public health interventions in Germany.

Purpose of the Study:

  • To quantify the impact of high temperatures on mortality in Germany over time.
  • To assess the effectiveness of preventive health measures in mitigating heat-related deaths.
  • To analyze the changing relationship between heat exposure and mortality rates.

Main Methods:

  • Statistical modeling was employed to determine the relationship between high mean temperatures and mortality.
  • Exposure-response curves were estimated for distinct time intervals: 1992-2000, 2001-2010, and 2011-2017.
  • The delayed mortality effects of high temperatures from the preceding week were also analyzed.

Main Results:

  • A significant association was found between current and preceding week's mean temperatures and weekly mortality.
  • This association was more pronounced in older age groups and generally decreased over the study period.
  • Notable heat waves in 1994 and 2003 caused approximately 10,200 and 9,600 fatalities, respectively, with other summers also showing significant mortality burdens.

Conclusions:

  • Climate change is intensifying summer heat waves in Germany, increasing health risks.
  • Adaptive processes, likely including successful preventive measures, are reducing the adverse health impacts of heat.
  • Continued and potentially enhanced public health strategies are recommended to further minimize heat-related mortality.