What is the medical definition of heat stroke and its severity?

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Medical Definition and Severity of Heat Stroke

Heat stroke is a severe medical condition characterised by a dangerously high body temperature, typically exceeding 40 degrees Celsius (104 degrees Fahrenheit), and central nervous system dysfunction. This occurs when the body's thermoregulation system is overwhelmed, leading to a cascade of physiological failures. The severity of heat stroke can be profound, with documented instances of internal organs like the kidneys and heart being severely affected, described in some cases as "burnt" due to extreme heat exposure.
Signs and Symptoms of Heat Stroke

The progression to heat stroke can be indicated by a range of symptoms, beginning with milder forms of heat illness. Initially, an individual might experience fever and diarrhoea, with body temperatures around 37 to 38 degrees Celsius, as observed in a recent case. As the condition worsens, weakness and sudden muscle cramps can manifest, signalling a critical state where immediate medical intervention is required.
Internal Impact of Extreme Heat

The internal consequences of heat stroke can be devastating. In severe cases, the body's internal environment becomes critically compromised. Medical professionals have described the internal state as a drying up of bodily fluids, including blood and water, leading to organ damage. This extreme dehydration and heat exposure can result in organs like the kidneys and heart suffering irreparable harm.
Confirmation Through Post-Mortem Examination

The definitive cause of death in cases of severe heat illness can be confirmed through a post-mortem examination. Such examinations are crucial for understanding the full extent of the physiological damage. In a recent fatality attributed to heat stroke, a post-mortem conducted at Raja Perempuan Zainab II Hospital confirmed that the condition was the direct cause of the 11-year-old boy's death, highlighting the lethal potential of this medical emergency.

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What is the medical definition of heat stroke and its severity?

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