2021 results
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Diagnostic Evaluation Algorithm ... Step 2: Check Uosm ... using initial Uosm ... Workup #Evaluation #Algorithm ... #Sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... #2 - Assess the Uosm ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Hyponatremia: • ADH ON (UOsm ... wasting • ADH OFF (UOsm ... #Hyponatremia #Algorithm ... #diagnosis #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... • ADH Present (Uosm ... : SIADH, Renal Sodium ... be high or low Uosm ... diagnosis #table #sodium
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Differential Diagnosis Algorithm ... ) Euvolemic • UOsm ... Toast Diet • UOsm ... Differential #Diagnosis #Algorithm ... diagnosis #nephrology #sodium
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... UOsmPOsm - ... Cortisol deficiency UOsm ... < POsm - Vasopressin-independent ... #differential #algorithm
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... Diuresis (Urine Osm ... <100 mOsm/kg) ... 100-200 mOsm/kg ... Differential #Diagnosis #Algorithm
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypotonic HypoNatremia Algorithm ... 135 meq/L, serum Osm ... < 275 mosm/kg) ... Urine Na, Urine Osm ... #Hyponatremia #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Consider whether Posm ... Step 2: Check Uosm ... Workup #Evaluation #Algorithm
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Hyponatremia - Diagnostic Algorithm ... #Hyponatremia #Algorithm ... Differential #Nephrology #UOsm