15 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... 4) Serum Uric Acid ... salt wasting By Rachel ... #Differential # ... Diagnosis #Algorithm #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Algorithm - Diabetes Insipidus ... #Management #Algorithm ... #Sodium #nephrology ... #insipidus #DI
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... and serum uric ... - Urine sodium ... #Differential # ... Algorithm #Diagnosis #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... #Differential # ... Diagnosis #Causes #nephrology ... #sodium #high
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... free water loss, Serum ... Sodium >145 mmol ... kg • Diabetes Insipidus ... #Nephrology #Differential
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... repeat BMP • Serum ... #Differential # ... Diagnosis #Table #nephrology ... #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Euvolemic: Diabetes insipidus ... #Differential # ... Workup #Algorithm #nephrology ... #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Differential Diagnosis ... : Diabetes Insipidus ... Sodium, Urine Sodium ... Polydipsia #diagnosis #management ... #nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Plasma AND • Sodium ... ARUPLabs #Diabetes #Insipidus ... Diagnosis #Algorithm #nephrology ... #differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine Na+K / serum ... : SIADH, Renal Sodium ... #differential # ... diagnosis #table #sodium ... #nephrology