admission hyponatremiaA term for serum Na+ levels of < 130 mmol/L in a patient at time of admission which, in those above age 65, carries a 2-fold increase in mortality.
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admission hyponatremiaLab medicine Serum Na+ levels of < 130 mmol/L which, in older persons–> age 64 is associated with 2-fold ↑ in mortality
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.