Systemic Pseudohypoaldosteronism Type I: A Case Report and Review of the Literature

Table 1

Biochemical characteristics of the conditions included in the differential diagnosis for systemic pseudohypoaldosteronism type I.

Condition	Serum Na^+	Serum K^+	Serum aldosterone	Plasma; renin	Serum cortisol	Serum 17OH; progesterone	Urine; Na^+
Systemic PHA type I	Low	High	High	High	Normal	Normal	High
Salt wasting congenital adrenal hyperplasia	Low	High	Low	High	Low	High	High
Renal PHA type I [6]	Low	High	High	High	Normal	Normal	High
Secondary PHA [7–9]	Low	High	High	High	Normal	Normal	High
Renal tubular acidosis type IV [10]	Low	High	Low	Low	Normal	Normal	Normal