26 results
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Differential Diagnosis by Mechanism ... - Cirrhosis Syndrome ... - Malignancy (e.g ... CNS pathology (e.g ... insufficiency
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
Causes of Hypercalcemia ... Genetic disorders (e.g ... thyrotoxicosis, adrenal ... insufficiency ... Differential #Diagnosis #Endocrinology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... of Adrenal Insufficiency ... sodium, potassium, AM ... Administer 250 mcg ... addisons #disease #endocrinology
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
Etiologies by Mechanism ... Renal Failure ... IV Mg infusion (e.g ... - Tumor lysis syndrome ... Magnesium #Table #Causes
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
• Medications (e.g ... • Alimentary (e.g ... Critical Illness (e.g ... Hypopituitarism • Adrenal ... Insufficiency
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Dysplasias • (e.g ... • Congenital Adrenal ... (e.g. ... Diagnosis #Algorithm #endocrinology ... #causes #pediatrics
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... • Pituitary Insufficiency ... • Adrenal Insufficiency ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Adrenal Insufficiency ... ketoconazole, etomidate) Symptoms ... Adrenal Insufficiency ... hypophysitis, Sheehan's syndrome ... Diagnosis #Management #Endocrinology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... ACTH Early am ... unclear (often the case ... Stim test is 250 mcg ... Stimulation #Test #Endocrinology
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Diagnosis Algorithm Insufficient ... Sleep Deprivation (Eg ... Neurologic Disorders (Eg ... • Medications (Eg ... • Drug Abuse (Eg