22 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... water retention 1) Serum ... 4) Serum Uric Acid ... salt wasting By Rachel ... #Algorithm #nephrology
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion of Sodium ... = (Urine Na+ x Serum ... Cr) / (Serum Na ... #nephrology #calculation ... #diagnosis
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
- Differential Diagnosis ... and Workup Algorithm ... Fluid albumin and serum ... • Calculate SAAG ... #Differential #Diagnosis
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
examination, check urine sodium ... and serum uric ... acid: - Urine sodium ... Differential #Algorithm #Diagnosis ... #Nephrology
Hyponatremia Differential Diagnosis Table

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

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential Diagnosis ... Diabetes Insipidus Workup ... Management #Algorithm #Sodium ... #nephrology #insipidus
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hyponatremia Hypovolemic, Serum ... wasting Euvolemic, Serum ... Hypervolemic, Serum ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Hypernatremia Diagnosis and Workup

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

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... #Differential #Diagnosis ... #Workup #Algorithm ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... free water loss, Serum ... Sodium >145 mmol ... Hypernatremia #Nephrology ... #Differential #Diagnosis