Beer potomania laboratory findings

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Editor-in-Chief: Suresh Samson, M.D., Yale Bridgeport Hospital

Laboratory Findings

Electrolyte and Biomarker Studies

A value of Uosm < 100 mOsm/kg is indicative of a complete and appropriate suppression of antidiuretic hormone (ADH) secretion, a finding seen with either primary polydipsia (including ‘beer potomania’) or reset osmostat. Criteria used to diagnose the ‘beer potomania’ syndrome include

1. A history of binge beer drinking
2. Poor dietary intake
3. Decreased serum sodium levels
4. Low serum and urine osmolality
5. Absence of other known causes of hyponatremia