32 results
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
- Differential ... Diagnosis Algorithm ... High or Normal ... Malignancy • Normal ... #Workup #nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Normal Anion-Gap ... Intoxication - Normal ... /normal Type ... /normal Type ... #nephrology
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
- Differential ... Diagnosis Algorithm ... High Prolactin + Normal ... High Prolactin + Normal ... / Low TSH • Pituitary
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Renal Losses: • Normal ... Estrogen based Rx • Normal ... ADHR, XLHR - Normal ... #phosphate #nephrology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
TSH, Low normal ... • Low TSH, normal ... Hyperthyroidism: Work-up ... ophthalmopathy → Graves ... Scan • High or normal
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... Hyperplasia • Normal ... Al, Normal R - ... #nephrology #causes
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
Hyperthyroidism: • Graves ... or high; normal ... with multiple areas ... or high; normal ... #hyperthyroid #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses: • Normal ... #Diagnosis #Algorithm ... #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... Young females Differential ... Ill Palsy - abnormal ... #PhysicalExam #neurology ... #ophthalmology
Hyperthyroidism - Differential Diagnosis Algorithm
High/Normal Radioiodine Uptake
 - Autoimmune Thyroid Disease:
    • Grave's
Hyperthyroidism - Differential ... Diagnosis Algorithm ... High/Normal Radioiodine ... Disease: • Grave's ... Trophoblastic Neoplasm Low