Monday, June 24, 2019


Q: What makes hypertriglyceridemia in serum to cause pseudo-hyponatremia?

Answer:  The excess of triglyceride in serum displaces water containing sodium. This falsely reads as hyponatremia on laboratory machine counter.




Howard JM, Reed J. Pseudohyponatremia in acute hyperlipemic pancreatitis. A potential pitfall in therapy. Arch Surg 1985; 120:1053.

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