17 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... • Low TSH, Low ... • Low TSH, normal ... : Work-up similar ... #algorithm #diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... (low TSH, High T4 ... ) - Diagnostic Algorithm ... Check pregnancy test ... #Hyperthyroidism
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Oral sodium loading ... test (with 24-h ... salivary cortisol • Hypothyroidism ... • Hyperthyroidism ... #Screening #Workup
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Medications (diuretics), Hypothyroidism ... Primary polydipsia, Low ... solute intake, ... #diagnosis #sodium
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... RBC Folate ... Liver Function Tests ... Liver Function Tests ... #Causes #Hematology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Beer Potomania - Low ... • Euvolemic - Hypothyroidism ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Low Mean Corpuscular ... Deficiency • Folate ... Liver Disease • Hypothyroidism ... #Causes #Hematology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... : Most Common Causes ... disorder - Primary hypothyroidism ... • Weakness • Low-grade ... : - Check sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
acid <4 • SIADH, Hypothyroidism ... , Low solute intake ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... • Euvolemic (Low ... Diuretics, osmotic (solute ... #sodium