What are your thoughts on patients presenting with hyponatremia receiving IV fluids before urine studies are collected and the etiology is fully characterized?
Are there situations where this is acceptable/advisable? How would it impact your subsequent interpretation of urine studies if collected after IV fluid administration?
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Would you ever consider giving IV fluids to a patient with hyponatremia before urine studies are collected and reviewed?
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1 Answer
Mednet MemberInvited Expert
Hospital Medicine · UT Health San Antonio
Answered on
Whenever possible, I try to obtain serum osmolality, urine osmolality, and urine sodium before giving IV fluids. A urine specimen requires only a small volume and can usually be collected at the same time as the initial bloodwork without meaningfully delaying care.
That said, treatment should never ...
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