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Signs of increased intracerebral pressure: Slow pulse Increased SBP (more than 10 mm Hg) Decreased DBP (more than 10 mm Hg).

Water intoxication presents with symptoms that are largely neurologic due to the shifting of water into brain tissues and resultant dilution of sodium in the vascular space. 3.3% were classified as being severely hyponatremicĬharacteristics/Clinical Presentation.of athletes who finished an ultramarathon, it was found that: 0.6% had critical hyponatremia (serum sodium concentration of 120 mEq/L or less).13% of 488 runners studied had hyponatremia (serum sodium concentration of 135 mEq/L or less).of the 2002 Boston Marathon it was found that: Patients suffering from psychogenic polydipsia (compulsive water drinking) which is often associated with mental illness.Water intoxication is seen in a variety of situations, but most commonly occurs in: The additional fluid is retained in the extracellular compartment resulting in fluid accumulation in the interstitial spaces. Edema - The excess of both solutes and water, which is also termed isotonic volume excess.Hyponatremia, a potentially lethal situation, may occur if high volumes of water are consumed without solute replacement. Due to this imbalance, the extracellular fluid (ECF) becomes diluted causing water to move into cells to equalize solute concentration on each side of the cell. Water Intoxication - The result of an excess of extracellular water without having an excess of solutes.6 Diagnostic Tests/Lab Tests/Lab Valuesĭefinition/Description įluid excess can occur in two main ways in the body, water intoxication and edema.3 Characteristics/Clinical Presentation.