41 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia ... urine sodium and serum ... and hypervolemic hyponatremia ... in euvolemic hyponatremia ... #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Cirrhosis, Nephrotic syndrome ... SatyaPatelMD #Volume #Hyponatremia ... #algorithm #diagnosis ... #sodium #low #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Uric Acid - Low ... Rachel Stern MD #Hyponatremia ... #Algorithm #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic HypoNatremia ... Algorithm (Serum ... Urine Osm #Hyponatremia ... #Algorithm #Diagnosis ... #Nephrology #Differential
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... • nephrotic syndrome ... renal failure #Hypernatremia ... #Algorithm #Nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... Primary polydipsia, Low ... #Algorithm #diagnosis ... #sodium #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Algorithm Hypernatremia ... free water loss, Serum ... mannitol, glucosuria Low ... Hyperventilation #Hypernatremia
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Extrarenal Hypernatremia ... • Euvolemic (Low ... Ingestion Renal Hypernatremia ... MatthewHoMD #Hypernatremia
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... repeat BMP • Serum ... MatthewHoMD #Hyponatremia ... #Table #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Beer Potomania - Low ... thecurbsiders #Hyponatremia ... Algorithm #causes #nephrology