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Table 2 Adrenal function test results

From: Tertiary hypothyroidism in a dog

Test   Result Reference range
Initial diagnosis    
ACTH stimulation test Pre-ACTH cortisol 163 nmol/L  
  Post-ACTH cortisol 968 nmol/L <450 nmol/L
Low dose dexamethasone suppression test Basal sample 229 nmol/L  
  3 hour sample 155 nmol/L  
  8 hour sample 331 nmol/L < 30 nmol/L
Endogenous ACTH   119 pg/mL 20-80 pg/mL
Monitoring therapy    
ACTH stimulation test (after 5 days induction) Pre-ACTH cortisol 34.3 nmol/L  
  Post-ACTH cortisol 58.2 nmol/L <120 nmol/L
ACTH stimulation test (1 month) Pre-ACTH cortisol <27.59 nmol/L  
  Post-ACTH cortisol 67.7 nmol/L <120 nmol/L
ACTH stimulation test (3 months) Pre-ACTH cortisol 41.5 nmol/L  
  Post-ACTH cortisol 96.4 nmol/L <120 nmol/L
ACTH stimulation test (7 months) Pre-ACTH cortisol 53.5 nmol/L  
  Post-ACTH cortisol 102 nmol/L <120 nmol/L