Table 1.

Serum ACTH Levels during BIPSS.

Time	−5 min	−1 min	5 min after vasopressin	10 min after vasopressin
Right IPSa	519.4	851.4	1705	648
Left IPS	93.96	132.7	131	80
Right femoral vein	18.48	31.11	53	26
Left femoral vein	23.21	33.26	36	33
Central/Peripheral ACTH ratio	Right = 28/1 Left = 4/1	Right = 27/1 Left = 4/1	Right = 32/1 Left = 3.6/1	Right = 25/1 Left = 2.4/1
Right IPS/Left IPS	5.6/1	6.5/1	13/1	8/1

^aIPS – Inferior petrosal sinus.