Table 3.

Laboratory features of all patients

Laboratory findings	Case 1	Case 2	Case 3	Case 4	Normal ranges
Sodium	130	138	138	137	135-143 (mmol/L)
Potassium	2.4	2.3	2.7	2.3	3.4-4.5 (mmol/L)
Chloride	89	96	96	89	98-106 (mmol/L)
Bicarbonate	33	31	32	32	22-28 (mmol/L)
Serum creatinine	44	30	33	31	27-53 (micromol/L)
Blood urea	3.6	4	2.8	3.9	2.9-7.1 (mmol/L)
Magnesium	0.61	0.92	0.71	0.85	0.74-1.03 (mmol/L)
Renin	216.7	NA	NA	NA	30-40 ng/L (resting)
Aldosterone	324	NA	NA	NA	115-406 ng/L
PGE2	140	70	74	44	400-620 ng/24 hours
Urine Ca/Cr	0.42	0.55	0.06	NA	<0.7 mmol/mmol
Urine Mg/Cr	1.37	0.65	0.28	NA	<0.9 mmol/mmol