113 results
Evaluating a Patient with Presumed Cushing Syndrome

#Cushings #Syndrome #Disease #Algorithm #Workup #Dexamethasone #Suppression #Test #diagnosis
#Cushings #Syndrome ... #Disease #Algorithm ... #Workup #Dexamethasone ... #Suppression #Test ... #diagnosis
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... Algorithm Clinical ... ACTH) stimulation test ... Baseline plasma ACTH Low ... insufficiency • Low
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Testing Algorithm ... Cortisol, Saliva • Low ... dexamethasone suppression test ... #diagnosis #algorithm ... endocrinology #Adrenal
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low ... Algorithm Radioactive ... Check pregnancy test ... workup choices ... #Algorithm #Workup
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... - Differential Diagnosis ... Algorithm High ... Hypercalcemia Low ... #Algorithm #Workup
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... Normal Acid-Base: Low ... #Differential #Diagnosis ... #Algorithm #causes
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 ... endocrinology #workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... • Euvolemic (Low ... , Cushing syndrome ... #Workup #Algorithm
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Differential #Diagnosis ... Causes #Screening #Workup
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... Algorithm ADH ... Tea and Toast Syndrome ... Beer Potomania - Low ... Hypothyroidism, adrenal