give hypotonic fluid in post ATN diuresis


Avoid NS as the hypertonic NS could cause more diuresis as kidney is unable to reabsorb Na. LR is ok. Hypotonic saline such as 1/2 NS could be an option.

When in doubt, check urine osm/Na to see if patient is excreting low osm urine. Then match it with IVF.

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