320 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... • ADH Present (Uosm ... be high or low Uosm ... differential #diagnosis #table ... #sodium #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... UOsmPOsm - ... Cortisol deficiency UOsm ... #differential #algorithm ... #causes #nephrology
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) ... #Hyponatremia #Algorithm ... #Diagnosis #Nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... <100 mOsm/kg) ... 100-200 mOsm/kg ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Hyponatremia - Diagnostic Algorithm ... #Hyponatremia #Algorithm ... #Differential #Nephrology ... #UOsm #Osmolality
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
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 #nephrology
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Differential Diagnosis Table ... BMP • Serum Osm ... • Urine Osm ... Differential #Diagnosis #Table ... #nephrology #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
Central vs Nephrogenic Diabetes Insipidus - Desmopressin Challenge
Give desmopressin (intranasal, SQ, IV) and monitor UOsm every
IV) and monitor UOsm ... • No Rise in UOsm ... < 45% rise in UOsm ... 15-50% rise in UOsm ... Challenge #diagnosis #nephrology