739 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Saliva • Low dose dexamethasone ... protocol: - 1 mg dexamethasone ... Hormone • MRI of adrenal ... endocrinology #Adrenal
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Adrenal Incidentalomas ... 1 mg overnight dexamethasone ... evaluation • Adrenal ... mendesthiagob #Adrenal
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Adrenal Insufficiency ... seen in PRIMARY adrenal ... suggestive of adrenal ... stim test - dexamethasone ... fludrocortisone #Adrenal
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Benign Adrenal Mass ... • Congenital Adrenal ... Adenoma (Positive Dexamethasone
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Primary Adrenal ... Damage of the adrenal ... aldosterone Causes of Adrenal ... melanoma Bilateral Adrenal ... affected by use of DEXAMETHASONE
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Malignant Adrenal ... Syndrome, Congenital Adrenal ... Carcinoma (Positive Dexamethasone ... Often Bilateral) Adrenal
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
evaluate cause of renal ... h of infusion Adrenal ... CT scan, adrenal ... Overnight 1-mg dexamethasone ... • Congenital adrenal
Intern Pocket Cards - Inpatient Anti-Emetics Guide
Serotonin antagonists:
 • Ondansetron (Zofran), Granisetron (Kytril, Sancuso) - Headache,
Centrally acting: • Dexamethasone ... mood changes, adrenal
Bioequivalence of Corticosteroid Doses - Dexamethasone Conversion
Dexamethasone 1mg
Betamethasone 1mg
Prednisolone 7mg
Hydrocortisone 30mg
Triamcinolone 5mg
Methylprednisolone 5mg

Dr. Keith Siau @drkeithsiau

#Bioequivalence
Corticosteroid Doses - Dexamethasone ... Conversion Dexamethasone ... 1mg Betamethasone ... #pharmacology #Dexamethasone
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
following a low-dose dexamethasone ... the abdomen for adrenal ... tumors • The adrenal