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Figure 4 | BMC Research Notes

Figure 4

From: Inappropriately low aldosterone concentrations in adults with AIDS-related diarrhoea in Zambia: a study of response to fluid challenge

Figure 4

Changes in aldosterone during saline infusion. Serum aldosterone concentration before and after fluid challenge in A patients with initially normal or high concentrations, and B patients with initial concentrations below threshold of assay. In B, aldosterone concentrations remained below threshold in 4 patients whose lines overlap and are therefore indistinguishable. Reference range for serum aldosterone in supine patients is 135–400 pmol/l. Note that even 'normal' serum aldosterone would be inappropriately low in patients with sodium depletion.

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