What is a possible result of severe exercise-associated hyponatremia (EAH)?

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Severe exercise-associated hyponatremia (EAH) occurs when there is a significant imbalance of sodium in the body, often due to excessive fluid intake during prolonged exercise, leading to dilution of sodium levels in the bloodstream. One of the critical possible results of severe EAH is pulmonary edema.

When sodium levels drop significantly, it can disturb fluid balance and lead to an excess of water in the extracellular spaces, including the lungs. This condition can result in pulmonary edema, which manifests as difficulty breathing, coughing, and potentially respiratory distress. In the context of EAH, the excess fluid in the lungs can impede gas exchange and lead to significant complications requiring medical intervention.

Understanding this condition highlights the need for athletes and individuals participating in prolonged physical activities to monitor their hydration and electrolyte balance, ensuring that they do not consume excessive fluids that may cause dilutional hyponatremia.

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