2. Bruno OD, Rossi MA, Contreras LN, et al. Nocturnal high-dose dexamethasone suppression test in the aetiological diagnosis of Cushing’s syndrome. Acta Endocrinol (Copenh). 1985;109(2):158–62. 3. Dichek HL, Nieman LK, Oldfield…
Assay for GH: Immunoenzymatic assay Precautions: Patients may complain of nausea. Interpretation: Diagnosis of acromegaly: Using ultrasensitive assays, a GH suppression to < 0.4 ng/ml is considered the gold standard test to…
Assay for Cortisol: Chemiluminescence Immunoassay (CLIA) . Precautions: None. Interpretation: Serum cortisol concentration > 1.4–1.8 µg/dl after 2 day low dose dex is strongly suggestive of Cushing’s syndrome [1]. Caveats: Use of…
Glucagon stim test Time Gastrin Basal(0 min)-twice 2 min 5 min 10 min 15 min 20 min
CRH test − 15 min 0 min (baseline) 15 min 30 min 45 min 60 min Cortisol ACTH References 1. Ishizuka B, Quigley ME, Yen SS. Pituitary hormone release in response to food ingestion: evidence for neuroendocrine…
Assay for Cortisol and ACTH: Chemiluminescence Assay (CLIA) . Assay for 11 DOC: LC-MS/MS. Precautions: Hypotension , nausea, vomiting, abdominal discomfort or cramping, and musculoskeletal pain in patients with adrenal…
Glucagon stim test Time C-peptide Basal (0 min) 5 min 10 min References 1. Maldonado M, Hampe CS, Gaur LK, et al. Ketosis-prone diabetes: dissection of a heterogeneous syndrome using an immunogenetic and β-cell…
Cortisol Aldosterone A/C A/C dominant A/C non-dominant A/C non dominant A/C AVC Right AV Left AV Low IVC References 1. Funder JW, Carey RM, Fardella C, et al. Case detection,…
