27 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Differential Diagnosis Algorithm ... Volume Depleted ... Gitelman Syndrome Volume ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Differential Diagnosis Algorithm ... Volume Depleted ... Gitelman Syndrome Volume ... #Nephrology #Causes
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Volume Based Approach ... SatyaPatelMD #Volume ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
than the normal volume-based ... algorithm Urine ... poor response to volume ... : SIADH, Renal Sodium ... #nephrology
True Hyponatremia Differential Algorithm

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

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Corrected Na = [ ... Urine Osm • Na ... (FeNa) • Volume ... Diagnosis #Table #nephrology ... #sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... polydipsia, Low solute ... #Hyponatremia #Algorithm ... #diagnosis #sodium ... #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypotonic HypoNatremia Algorithm ... (Serum Na+ < 135 ... mosm/kg) Assess Volume ... #Hyponatremia #Algorithm ... #Diagnosis #Nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... reabsorption 5) ↓ Na ... → Subclinical volume ... Increased urine volume ... Pathophysiology #diagnosis #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... Hypovolemic - Give volume ... Differential #Diagnosis #Algorithm ... #diagnosis #nephrology ... #sodium