37 results
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
- Differential Diagnosis ... Algorithm Primary ... Renal Failure, Post-Renal ... #Differential #Diagnosis ... #Algorithm #Endocrinology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Lung cancer • Renal ... Serum DHEAS Diagnosis ... Administer 250 mcg ... #endocrinology ... #diagnosis #signs
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Algorithm Normal ... • Congenital Adrenal ... Celiac, IBD) • Renal ... #Algorithm #endocrinology ... #causes #pediatrics
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Intake • Chronic Renal ... Failure • Stress (e.g ... Production • Renal ... #Algorithm #Endocrinology ... #Causes
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
- Differential Diagnosis ... Algorithm Fasting ... Hepatic Failure, Renal ... #Algorithm #endocrinology ... #causes
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Genetic disorders (e.g ... hormone–independent Renal ... thyrotoxicosis, adrenal ... #Differential #Diagnosis ... #Endocrinology
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
PO4 < 20%: • Renal ... Disease • Hypoparathyroidism ... Context of Impaired Renal ... #Algorithm #endocrinology ... #causes
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Algorithm Tumours ... Alkaline Phosphatase Renal ... Secondary to Chronic Renal ... • Renal Disease ... #Causes
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Diagnosis Algorithm ... unclear (often the case ... Standard Stim test ... is 250 mcg of IV ... #Endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Algorithm Elevated ... Granulomatous Disease ... Tumors: Lung, SCC, renal ... #Algorithm #causes ... #endocrinology