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Hyponatremia quiz
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A patient with familial hyperlipidemia has a triglyceride level of 845 mg/dL. The sodium is 142. Serum osmolality is 280 (normal is 275 to 295). Which of the following is true?
Choose one
The patient has pseudohyponatremia due to the hyperlipidemia.
The low sodium and low osmolality indicate pseudohyponatremia.
The triglycerides are not high enough to cause pseudohyponatremia.
The lab must be using direct ion detection so it is not susceptible to pseudohyponatremia.
Triglycerides cannot cause pseudohyponatremia, only elevated proteins, like multiple myeloma can
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