Other Versions. Data cleansing is the process of analyzing the quality of data in a data source, manually approving/rejecting the suggestions by the system, and thereby making changes to the data.
What is a dexamethasone suppression test ? A dexamethasone suppression test can help a doctor learn the cause of a patient having high levels of the hormone cortisol. The doctor gives the patient dexamethasone, a synthetic version of cortisol, and checks the patient's urine to see how his or her body responds.
> If low â Cortisol secreting tumor (adrenal tumor or hyperplasia) STEP 3: high dose overnight dexamethasone suppression test [2 mg PO Q6H x 2 days â 24Â° urine collection for free cortisol] > Positive (suppresion) â pituitary origin > Negative â adrenal tumors and ectopic ACTH producing tumors > If equivocal, go to STEP 4 STEP 4: CRH test