23 results
True Hyponatremia Differential Algorithm

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

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Differential Diagnosis Table ... Serum Osm • Urine ... FeNa) • Volume status ... Differential #Diagnosis #Table ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... Assess volume status ... HYPERVOLEMIC • CHF ... • nephrotic syndrome ... #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... mechanism 2) Volume Status ... , Cushing syndrome ... #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... Pain/Post-op • Neurologic ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... Pain/Post-op • Neurologic ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... underlying cause (CHF ... cirrhosis, nephrotic syndrome ... #diagnosis #nephrology ... #sodium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... , Gitelman syndrome ... Normal acid-base status ... sodium is typically ... #Algorithm #nephrology
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Hyponatremia Diagnostic Algorithm ... osmolality 2) Check urine ... - Check volume status ... , urine sodium, ... #hyponatremia #nephrology