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Editorial
. 2023 Apr 1;4(4):e434-e436.
doi: 10.34067/KID.0000000000000105.

Predicting Responses to Hypertonic Saline: Edelman's Evidence, Elementary Algebra, and Eponyms

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Editorial

Predicting Responses to Hypertonic Saline: Edelman's Evidence, Elementary Algebra, and Eponyms

Richard H Sterns et al. Kidney360. .
No abstract available

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Figures

Figure 1
Figure 1
Changes in serum Na+ concentration predicted by Na+, K+, and fluid balance. (A) Linear regression of observed versus predicted change in plasma water cation concentration. Modified from the figure in a 1957 study by Wynn et al. TBW was measured in each participant at baseline with antipyrine or tritium and was then determined 24 hours later by remeasurement (n=10) or from the change in body weight (n=3). Baseline body cation content equals baseline plasma cation concentration multiplied by baseline TBW. Body cation content at 24 hours equals baseline cation content plus measured cation balance (Na+ and K+ intake minus output). Predicted plasma cation concentration at 24 hours equals body cation content at 24 hours divided by TBW at 24 hours. (B) Linear regression of Δ (Na+e+K+e)/TBW to Δ plasma sodium concentration. Modified from Figure 1 in the 1958 study by Edelman et al. Serial measurements of Na+e+K+e and TBW measured isotopically were obtained in 15 patients as described in the text.

Comment on

References

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