26 results
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Hypercalcemia Low ... renal, Bladder, Breast ... Bone Resorption: Hyperthyroid ... #causes #endocrinology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low ... ) - Diagnostic Algorithm ... if pregnant or breast ... Hyperthyroidism #Hyperthyroid ... #Workup #Endocrinology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Normal Acid-Base: Low ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Differential Diagnosis Algorithm ... Prolactin + Normal/ Low ... Differential #Diagnosis #Algorithm ... #Endocrinology ... #Causes
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
high; in some cases ... with multiple areas ... Euthyroid sick syndrome ... #hyperthyroid # ... differential #diagnosis #endocrinology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... hyperaldosteronism • Low ... , NGT suction, Low ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Differential Diagnosis Algorithm ... Tumor Low Serum ... Differential #Diagnosis #Algorithm ... #endocrinology ... #causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Hypertensive: • High Al, Low ... Differential #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium
Weight Gain / Obesity  - Differential Diagnosis Algorithm
Decreased Expenditure:
 • Sedentary Lifestyle
 • Smoking Cessation
Differential Diagnosis Algorithm ... • Hypothyroid ... • Cushing's Syndrome ... #endocrinology ... #causes
Hirsutism - Differential Diagnosis Algorithm
RAPID ONSET
Medications
 • Steroids
 • Danazol
 • Progestin Containing Contraceptives
Increased Serum Testosterone
Differential Diagnosis Algorithm ... Adrenal Neoplasm SLOW ... • Cushing's Syndrome ... #endocrinology ... #causes