48 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cortisol, Saliva • Low ... dexamethasone suppression test ... #diagnosis #algorithm ... #endocrinology ... #Adrenal #Hyperfunction
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... , hypoglycemia Testing ... ACTH) stimulation test ... insufficiency • Low ... #Algorithm #endocrinology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
then go to stim testing ... Standard Stim test ... primary AI - Low ... #Stimulation #Test ... #Endocrinology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
between 8 and 9 AM - Low ... aldosterone - Low ... Plasma ACTH - Low ... Evaluation #laboratory #diagnosis ... #testing #endocrinology
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal ... specificity for AI (but low ... require Cosyntropin testing ... - Low ACTH is ... #Stimulation #Endocrinology
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
- Differential Diagnosis ... Algorithm ADRENAL ... Tumor Low Serum ... #Differential #Diagnosis ... #Algorithm #endocrinology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... and Screening Testing ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Differential #Diagnosis
Hirsutism - Differential Diagnosis Algorithm
RAPID ONSET
Medications
 • Steroids
 • Danazol
 • Progestin Containing Contraceptives
Increased Serum Testosterone
- Differential Diagnosis ... Serum DHEAS • Adrenal ... Neoplasm SLOW ... -OH Congenital Adrenal ... #Algorithm #endocrinology
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Adrenal Incidentalomas ... Fasciculata: Cushing Syndrome ... dexamethasone test ... Hormone #Evaluation #Diagnosis ... #workup #endocrinology
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic ... - 1° HPT - 1° Renal ... PO4 wasting: Hereditary ... , TIO, Fanconi Syndrome ... Hypophosphatemia #phosphorus #low