16 results
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
dexamethasone suppression test ... Hormone • MRI of adrenal ... #diagnosis #algorithm ... #endocrinology ... #Adrenal #Hyperfunction
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis ... hyponatremia, hyperkalemia ... , hypoglycemia Testing ... ACTH) stimulation test ... #Algorithm #endocrinology
Adrenal Incidentalomas: Hormone Evaluation
 • Zona Glomerulosa: Primary Hyperaldosteronism?
    - Aldosterone and renin
Aldosterone and renin if hypokalemia ... Fasciculata: Cushing Syndrome ... dexamethasone test ... Hormone #Evaluation #Diagnosis ... #workup #endocrinology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... and Screening Testing ... (correction of hypokalemia ... • Cushing’s syndrome ... #Differential #Diagnosis
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
differentiating kidney K wasting ... suggests extra-renal ... , Congenital adrenal ... #diagnosis #Algorithm ... differential #potassium #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... Algorithm Hypovolemia ... Cerebral salt wasting ... syndrome Hypovolemia ... Algorithm #Causes #nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
diuresis, Bartter's syndrome ... use), Gitelman's syndrome ... excess and related syndromes ... #differential #diagnosis ... #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
ON (UNa < 30): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... Hypothyroidism, Adrenal ... Hyponatremia #Algorithm #diagnosis ... #sodium #nephrology
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
- Differential Diagnosis ... Polycystic Ovarian Syndrome ... Dexamethasone Suppression Test ... Hypertension +/- Hypokalemia ... #Algorithm #Endocrinology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Syndrome Definition ... Differential Diagnosis ... Disease-specific testing ... , biopsy By Tess ... #diagnosis #nephrology