58 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... h of infusion Adrenal ... CT scan, adrenal ... • Congenital adrenal ... #Screening #Workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... smear, HIV/HCV testing ... K), H. pylori test ... thyroid function test ... #Workup #hematology
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Adrenal Insufficiency ... Cosyntropin Stimulation Test ... BCM_InternalMed #Adrenal ... Insufficiency #Testing ... #Stimulation #endocrinology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... ACTH) stimulation test ... Diagnosis #Algorithm #endocrinology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... laboratory #diagnosis #testing ... #endocrinology ... #workup
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cushing Syndrome Testing ... dexamethasone suppression test ... Hormone • MRI of adrenal ... diagnosis #algorithm #endocrinology ... #Adrenal #Hyperfunction
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
clue • Blood tests ... ACTH stimulation test ... present - ACTH test ... DEXAMETHASONE - ACTH test ... addisons #disease #endocrinology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... for secondary causes ... eosinophilia (common causes ... Differential #diagnosis #hematology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
unclear (often the case ... then go to stim testing ... Standard Stim test ... #Stimulation #Test ... #Endocrinology
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Adrenal Incidentalomas ... dexamethasone test ... evaluation • Adrenal ... Evaluation #Diagnosis #workup ... #endocrinology