© Springer International Publishing Switzerland 2015Ahmet Bahadir Ergin, A. Laurence Kennedy, Manjula K. Gupta and Amir H. HamrahianThe Cleveland Clinic Manual of Dynamic Endocrine Testing10.1007/978-3-319-13048-4_7 7. Overnight Low Dose Dexamethasone Suppression Test—1 mg Ahmet Bahadir Ergin1 , Amir H. Hamrahian1 , A….
Precautions: Do not leave the patient unattended since hypoglycemia is expected. A physician must be available in the walking distance from the room where the ITT is performed. Interpretation: A…
Day Date What to do 1 Day and date Have labs (thyroglobulin) drawn Related posts: Metyrapone Stimulation Test Ovine Corticotropin-Releasing Hormone (oCRH) Stimulation Test Insulin Tolerance Test (ITT) GHRH–Arginine GH…
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…
Day Date What to do 0 (Day:) Date: Have baseline TSH and Thyroglobulin drawn if not done in the past 60 days. Stop L-thyroxine medication beginning on day 0 7…
Glucagon stim test Time Gastrin Basal(0 min)-twice 2 min 5 min 10 min 15 min 20 min Related posts: Metyrapone Stimulation Test Ovine Corticotropin-Releasing Hormone (oCRH) Stimulation Test Insulin Tolerance Test (ITT) GHRH–Arginine GH Stimulation Test…
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…
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…
