Decrease in serum sodium concentration to <135 mmol/L during or up to 24 hr after physical activity
Serum sodium concentration and serum osmolarity are maintained by homeostatic me...
Thorough past medical, surgical, and social history
Ask about previous episodes of sodium problems or postrace medical issues.
Attempt to estimate water and food intake during race.
Inqu...
Airway, breathing, and circulation (ABC)
Obtain rectal temperature 3[C].
Consider establishing intravenous (IV) access.
Place patient in supine position, elevate legs to increas...
Mild hyponatremia will almost always correct with autodiuresis and have no long-term consequences.
An episode of exercise-associated hyponatremia may indicate an increase suscepti...
Bennett BL, Hew-Butler T, Hoffman MD, et al. Wilderness Medical Society practice guidelines for treatment of exercise-associated hyponatremia: 2014 update. Wilderness Environ Med. ...
Exercise-associated hyponatremia is common in long-distance and endurance events.
Most cases are asymptomatic.
Excessive fluid intake beyond what is required by thirst is the primary mec...
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