23 results
Abnormal Serum TSH - Differential Diagnosis Algorithm
Increased TSH
 • Hypothyroidism
 • Sub-clinical Hypothyroidism
 • Recovery from
Abnormal Serum TSH - Differential ... Diagnosis Algorithm ... Recovery from Non-Thyroid ... Thyrotoxicosis • T3 ... #Hypothyroid #Hyperthyroid
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
of Patients for Thyroid ... iodine uptake; thyroid ... disease course #hypothyroid ... #hyperthyroid # ... differential #diagnosis
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid ... Function Tests ... T4 +/- T3 → Primary ... symmetrically enlarged thyroid ... Hyperthyroidism #algorithm
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low ... TSH, High T4/T3 ... ) - Diagnostic Algorithm ... concern for nodular thyroid ... Hyperthyroidism #Hyperthyroid
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... - Urine sodium low ... and uric acid low ... #Differential # ... #Nephrology
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism - Differential ... Diagnosis and Workup Algorithm ... Graves disease • Low ... Iodine Scan - Low ... • Exogenous thyroid
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... #Differential # ... #nephrology #sodium ... #low #uricacid
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Primary polydipsia, Low ... #diagnosis #differential ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Beer Potomania - Low ... #Differential # ... #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... mannitol, glucosuria Low ... #Nephrology #Differential ... #Diagnosis #Algorithm