29 results
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
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
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 ... Diagnosis #Table #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
Causes of Hypercalcemia ... Genetic disorders (e.g ... thyrotoxicosis, adrenal ... Hypercalcemia #Causes ... Differential #Diagnosis #Endocrinology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... vasoconstriction (e.g ... inhibitors, hepatorenal syndrome ... nephropathy • Secondary ... AIN) • Drugs (e.g
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
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Tuberculosis: can cause ... Androgens: • Symptoms ... sodium, potassium, AM ... Administer 250 mcg ... addisons #disease #endocrinology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
ketoconazole, etomidate) Symptoms ... Causes of Secondary ... hypophysitis, Sheehan's syndrome ... Give 250 mcg of ... Diagnosis #Management #Endocrinology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Osteodystrophy - Secondary ... Post-Menopausal • Elderly Secondary ... Malignancy • Drugs (e.g ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... risk factors (eg ... hypertension (eg ... hypertension (eg ... Vasculitis • Endocrinologic