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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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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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Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's...
693
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

848
Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
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Quantifying Heat02:46

Quantifying Heat

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Thermal Energy Microscopically, thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Temperature is a quantitative measure of “hot” or “cold”, which depends on the amount of thermal energy. When the atoms and molecules in an object are moving or vibrating quickly, they have a higher average kinetic energy (KE) (or higher thermal energy), and the object is perceived as “hot”, or it is described as being at a...
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Heatwave Mortality in Summer 2020 in England: An Observational Study.

Ross Thompson1,2, Owen Landeg1,2, Ishani Kar-Purkayastha1

  • 1Extreme Events and Health Protection Team, UK Health Security Agency, London SW1P 3JR, UK.

International Journal of Environmental Research and Public Health
|May 28, 2022
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High ambient temperatures during the 2020 COVID-19 pandemic caused significant heatwave mortality, exceeding previous years. Notably, younger age groups experienced increased deaths, highlighting the need for improved heatwave preparedness.

Keywords:
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Area of Science:

  • Environmental Health
  • Public Health
  • Epidemiology

Background:

  • High ambient temperatures present substantial health risks, necessitating an understanding of heatwave impacts.
  • The 2020 summer coincided with the SARS-CoV-2 (COVID-19) pandemic, introducing unique challenges for public health responses.

Purpose of the Study:

  • To investigate heatwave-related mortality in England during the 2020 COVID-19 pandemic.
  • To compare 2020 mortality data with previous heatwave events and identify vulnerable populations and risk factors.

Main Methods:

  • Comparative analysis of total and cause-specific mortality data during heatwave periods in 2020 versus previous years (2016-2018).
  • Examination of mortality patterns across different age groups (0-64 and 65+ years) and locations (home, hospital, care homes).

Main Results:

  • Heatwaves in 2020 resulted in higher mortality than reported since the Heatwave Plan for England began in 2004.
  • Significant excess mortality was observed in the 0-64 age group during the third 2020 heatwave, a novel finding.
  • Excess mortality for cardiovascular, respiratory, and Alzheimer's/Dementia diseases was significant in the 65+ group across all 2020 heatwaves.

Conclusions:

  • Heatwave mortality in 2020, while comparable to previous years for older adults, showed increased risk in younger populations.
  • Overheating in dwellings and high night-time temperatures were critical factors contributing to mortality spikes.
  • Enhanced community and healthcare preparedness are crucial for mitigating heatwave risks, especially during pandemic conditions.