389 results
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
the "classic" Volume ... Pathophysiology #Diagnosis #Differential ... #Nephrology #UOsm
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
mosm/kg) Assess Volume ... Algorithm #Diagnosis #Nephrology ... #Differential #
True Hyponatremia Differential Algorithm

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

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Na (FeNa) • Volume ... #Hyponatremia #Differential ... Diagnosis #Table #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... polydipsia") • Large volume ... without ↑ urine volume ... #Polyuria #Differential ... Diagnosis #Causes #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm Volume ... Gitelman Syndrome Volume ... Metabolic #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
than the normal volume-based ... poor response to volume ... little relative solute ... #Hyponatremia #differential ... table #sodium #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Hypovolemic - Give volume ... 200 - Inadequate Solute ... #Hyponatremia #Differential ... Algorithm #diagnosis #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Prerenal:
 • Due to true volume loss or decreased
Injury (AKI) - Differential ... • Due to true volume ... arterial blood volume ... #Injury #AKI #Differential ... #Diagnosis #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... • Water and solute ... Renal Failure Solute ... #Polyuria #Differential ... Algorithm #causes #nephrology