Which of these tests is the first to be performed in a patient with the following presentation?
IMAGE : SPADE LIKE DEFORMITY OF HANDS: Seen in ACROMEGALY Screening test done: IGF -1 IOC: Glucose challenge test (GCT) Treatment: Surgery (Transphenoidal Resection) If recurrence seen: PEGVISOMANT
ABG sampling
IGF- 1 levels
RA factor
HLA- B27 levels
Disorders of pituitary gland