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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.
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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
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Increased Body Temperature01:25

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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

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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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Assessing Body Temperature - Rectal01:27

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Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
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Do temperature changes cause eczema flares? An English cohort study.

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Short-term temperature changes impact childhood eczema. Hotter weeks may reduce eczema flares, while colder weeks show no significant effect, regardless of disease severity or emollient use.

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Area of Science:

  • Pediatric Dermatology
  • Environmental Health
  • Epidemiology

Background:

  • Eczema (atopic dermatitis) prevalence and severity are influenced by environmental factors.
  • The specific impact of ambient temperature fluctuations on pediatric eczema flares remains under investigation.
  • It is unknown if eczema severity or emollient type modifies temperature-related flare susceptibility.

Purpose of the Study:

  • To examine the association between short-term ambient temperature variations and eczema symptom flares in children.
  • To determine if children with more severe eczema are more vulnerable to temperature changes.
  • To assess if different emollient types offer protection against temperature-induced eczema flares.

Main Methods:

  • A UK cohort of 519 children diagnosed with eczema was studied.
  • Temperature data (hot, cold, temperate weeks) were sourced from the Hadley Centre's Integrated Surface Database (Jan 2018-Feb 2020).
  • Eczema flares were defined by a ≥3-point increase in the Patient-Oriented Eczema Measure (POEM); logistic regression analyzed flare odds.

Main Results:

  • A total of 6796 POEM scores and 1082 eczema flares were recorded.
  • Seasonal trends indicated eczema worsening in winter and improving in summer.
  • Odds of flares were slightly reduced in hot weeks (OR 0.85, P=0.05) and showed no significant change in cold weeks (OR 1.15, P=0.14).

Conclusions:

  • Findings suggest a potential reduction in eczema flares during hot weather, aligning with some previous research.
  • Disease severity and emollient type did not significantly alter susceptibility to temperature-related eczema flares.
  • Future research should explore other environmental factors like humidity, pollution, and sunlight.