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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

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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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Types of Fever01:25

Types of Fever

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Fever can be triggered by several factors, including infections, nervous system disorders, certain cancers, blood diseases like leukemia, embolism, thrombosis, heatstroke, dehydration, surgical trauma, crushing injuries, and allergic reactions.
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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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Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

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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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A Preclinical Model of Exertional Heat Stroke in Mice
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Exertional heat stroke: about 4 cases.

Mohamed Taha Khoufi, Ali Mrabet, Abderraouf Ben Mansour

    La Tunisie Medicale
    |October 6, 2016
    PubMed
    Summary

    Exertional heat stroke (EHS) is a life-threatening emergency. This study highlights risk factors like intense exercise in heat, overweight, and poor training in soldiers, emphasizing the need for prevention.

    Area of Science:

    • Sports Medicine
    • Environmental Physiology
    • Military Health

    Background:

    • Exertional heat stroke (EHS) is a critical medical emergency characterized by hyperthermia and neurological dysfunction during intense physical activity in hot conditions.
    • Understanding the multifactorial nature of EHS is crucial for developing effective prevention and treatment strategies, particularly in physically demanding occupations like the military.

    Observation:

    • Four young soldiers (23-44 years) developed EHS after prolonged exercise in hot, humid, and windless conditions during May and June.
    • Risk factors identified included wearing battle dress, carrying equipment, being overweight, insufficient training, high motivation, inadequate hydration, and a carbohydrate-rich diet.

    Findings:

    • Patients presented with fever, neurological and neuromuscular disorders, rhabdomyolysis, and hemoconcentration upon hospitalization.

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  • Immediate medical care involved rehydration and oxygen administration.

    • Implications:

    • This case series underscores the importance of pre-participation screening, proper acclimatization, hydration protocols, and appropriate attire for military personnel engaged in strenuous activities.
    • Implementing targeted preventive measures can mitigate the risk of EHS in high-risk populations and reduce associated morbidity and mortality.