Table 1.

Response of the proband to water deprivation and ADH injection

Hour	0	1	2	3	4	5	AVP5U	6	7
Bwt (Kg)	65.8	64.6	64.3	62.6	61.1	61.3		61.4	60.5
Urine volume (mL)	550	600	440	410	270	225		250	170
Urine Osm (mOsm/L)	67	80	82	110	105	98		107	109
Serum Na (mEq/L)	138	139	142	144	145	148		146	146
Serum Osm (mOsm/L)	302	312	328	320	322	329		327	329
Plasma AVP (pg/mL)						44.2

AVP, arginine vasopressin (reference range : 1-13 pg/mL); Osm, osmolarity