Hyponatremia (Low Sodium) Topic Guide
Hyponatremia (Low Sodium): Low levels of sodium in the blood is referred to as hyponatremia. Causes of hyponatremia include: pneumonia, lung cancer, brain tumors, kidney or heart failure, liver disease, and dehydration. Some of the symptoms of hyponatremia include: headache, nausea and vomiting, confusion, and lethargy. In acute hyponatremia seizures, coma, and even death may occur. Treatment of hyponatremia is generally to balance the electrolytes and raise the sodium levels in the blood.
Heat Exhaustion and Heat Stroke Heat exhaustion occurs when individuals exercise, work, or play in a hot, humid environment and fluids are lost through sweating, which causes dehydration and overheating of the body. Symptoms of heat exhaustion include pale, cool, moist skin; profuse sweating; muscle pains or cramps; dizziness; headache; elevated temperature. Heat stroke occurs when a person's cooling system stops working and the internal body temperature rises to 105 F or greater. Symptoms of heat stroke include unconsciousness; hot, flushed, dry skin; elevated blood pressure; hyperventilating; a core body temperature of 105 F or greater. Heat stroke is a life-threatening emergency.
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Hyponatremia - Causes
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