23 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... - Low Uric Acid ... salt wasting By Rachel ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... and serum uric ... low, uric acid ... and uric acid low ... Algorithm #Diagnosis #Nephrology
Deciphering the SAAG - Serum to Ascites Albumin Gradient
Ascites is either made in the liver sinusoid
Deciphering the SAAG ... - Serum to Ascites ... oncotic pressure Low ... Ascites #Fluid #Serum ... Interpretation #Differential
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
wasting Euvolemic, Serum ... Hypothyroidism, Low ... Hypervolemic, Serum ... algorithm #diagnosis #sodium ... #low #nephrology
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... repeat BMP • Serum ... #Hyponatremia #Differential ... Diagnosis #Table #nephrology ... #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... free water loss, Serum ... Sodium >145 mmol ... mannitol, glucosuria Low ... Hypernatremia #Nephrology
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 ... can be high or low ... #Hyponatremia #differential ... #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
urine magnesium x serum ... creatinine)/ [0.7 (serum ... Hypomagnesemia #algorithm #differential ... diagnosis #causes #nephrology ... #magnesium #low
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Acidosis (NAGMA) - Differential ... K low/normal ... K: low/normal ... Metabolic #NAGMA #Differential ... Diagnosis #Workup #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... • Euvolemic (Low ... Hypernatremia #Differential ... Workup #Algorithm #nephrology ... #sodium