35 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
water retention 1) ... Serum Osmolarity ... 4) Serum Uric Acid ... salt wasting By Rachel ... #nephrology #sodium
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
Diagnosis and Workup ... Algorithm • ... Fluid albumin and serum ... • Calculate SAAG ... Differential #Diagnosis #Algorithm
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 ... Urine Cr) FEurea < 1% ... #nephrology #calculation
True Hyponatremia Differential Algorithm

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

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... Diabetes Insipidus Workup ... Step #1 - Consider ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology
Hypernatremia Diagnosis and Workup

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

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

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Differential #Diagnosis #Workup ... #Algorithm #nephrology ... #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
wasting Euvolemic, Serum ... Hypervolemic, Serum ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Diagnostic Evaluation Algorithm ... Step 1: Consider ... Hypernatremia #Diagnosis #Workup ... #Evaluation #Algorithm ... #Sodium