Older people cannot adjust to temperature changes as quickly as younger people due to underlying chronic diseases. The early signs of heat-related illness are feeling excess thirst, sunken eyes, dry mouth, dry eyes, fatigue, confusion, rapid heart rate, excess perspiration, nausea, and dizziness. Excess heat can quickly lead to dehydration in the elderly. The risks and complications of dehydration in the elderly include an increased risk of falls due to giddiness, hypotension, weakness, skin sores, or skin irritation, increased risk of urinary tract infection due to less body water, constipation, heat stroke, seizure due to low potassium and sodium levels, kidney failure, hypotensive shock, coma, brain swelling, and death.
Heat can have serious effects on the elderly. With age, the body's ability to regulate temperature diminishes, making seniors more vulnerable to heat-related illnesses. Early signs of heat-related illness in the elderly include excessive sweating, weakness, dizziness, nausea, rapid heartbeat, and cool, clammy skin. These signs can progress to heat exhaustion or heat stroke, which are critical conditions. To protect elderly individuals, ensure they stay hydrated, wear lightweight clothing, limit heat exposure, and seek shade or air-conditioning in hot weather. Immediate medical attention is crucial if any signs of heat-related illness are observed.
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Heat can lead to dehydration. The skin of the elderly is already loose, with no much water content. Dehydration can also lead to loss of electrolytes from the body, which can lead to hyponatremia, resulting in drowsiness, confusion, memory loss and disorientation.
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