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In fact, critically low sodium levels can be downright dangerous, placing the body and brain at risk. Test Results. According to “Laboratory and Diagnostic Tests with Nursing Implications,” the normal sodium level in the blood is 135 to 145 milliequivalents per liter of blood. Any value below 135 mEq/L is considered to be a low sodium level ...


Low blood sodium (hyponatremia) occurs when you have an abnormally low amount of sodium in your blood or when you have too much water in your blood. Low blood sodium is common in older adults, especially those who are hospitalized or living in long-term care facilities.


A low level of blood sodium is a sign that your body's concentration of electrolytes has changed. This condition, which is called hyponatremia, can lead to several dangerous health problems. Early signs of low sodium levels are difficult to diagnose, but can progress to cause brain swelling, brain ...


Low blood sodium, or hyponatremia, occurs when water and sodium are out of balance in your body. It can cause weakness, headache, and muscle cramps. Cutting back on fluid intake and adjusting the ...


Maintaining proper sodium levels in your blood is critical to health. Learn about the symptoms of low sodium, sodium blood tests, and normal sodium levels.


Hyponatremia is a low sodium concentration in the blood. It is generally defined as a sodium concentration of less than 135 mmol/L (135 mEq/L), with severe hyponatremia being below 120 mEq/L. Symptoms can be absent, mild or severe. Mild symptoms include a decreased ability to think, headaches, nausea, and poor balance. Severe symptoms include confusion, seizures, and coma.


The condition occurs when both your sodium and water levels fall too low. Cancer and other chronic medical conditions can cause euvolemic hyponatremia. This imbalance is a condition in which serum water levels are within optimal range, but serum sodium levels are low.


Hyponatremia or low sodium levels in the blood can result in signs and symptoms like headache, confusion, seizures, weakness, restlessness, and muscle spasms. Kidney or congestive heart failure, hypothyroidism, cirrhosis, medications, or strenuous exercise without electrolyte replacement can cause hyponatremia. Treatment for hyponatremia are diet changes and electrolyte replacement with an IV.


Until sodium levels are restored, the brain will continue to overcompensate, and the athlete is at risk for cramping. Nausea (Caused by excess water in the gut) As mentioned above, when sodium levels are too low, the body reacts by preventing further dilution.


Outcome depends on the condition that is causing the problem. Low sodium that occurs in less than 48 hours (acute hyponatremia), is more dangerous than low sodium that develops slowly over time. When sodium level falls slowly over days or weeks (chronic hyponatremia), the brain cells have time to adjust and swelling may be minimal.