11 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... • SIADH • hypothyroidism ... #Diagnosis #Workup ... #Algorithm #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Diabetes Insipidus Workup ... & desmopressin test ... #Management #Algorithm
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... ) - Diagnostic Algorithm ... Check pregnancy test ... #Hyperthyroidism ... #Workup #Endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... Evaluation of Hyperthyroidism ... : Work-up similar ... to hyperthyroidism ... #algorithm #diagnosis
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Diuretics, osmotic (solute ... Differential #Diagnosis #Workup ... #Algorithm #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... • Euvolemic - Hypothyroidism ... thecurbsiders #Hyponatremia ... Differential #Diagnosis #Algorithm
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic ... Medications (diuretics), Hypothyroidism ... polydipsia, Low solute ... #Algorithm #diagnosis
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Evaluation Algorithm ... Consider additional tests ... #Diagnosis #Workup ... #Evaluation #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm ... 200 - Inadequate Solute ... CKD, Thiazides, Hypothyroidism ... UnremarkableLab #Hyponatremia
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... acid <4 • SIADH, Hypothyroidism ... , Low solute intake ... SatyaPatelMD #Volume #Hyponatremia ... #algorithm #diagnosis