34 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Diagnosis Algorithm UOsm ... ≥ POsm - Vasopressin-Dependent ... Cortisol deficiency UOsm ... hyponatremia #diagnosis #differential ... algorithm #causes #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... <100 mOsm/kg) ... 100-200 mOsm/kg ... #Polyuria #Differential ... Algorithm #causes #nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
135 meq/L, serum Osm ... < 275 mosm/kg) ... Urine Na, Urine Osm ... Algorithm #Diagnosis #Nephrology ... #Differential #
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diabetes Insipidus Workup ... #2 - Assess the Uosm ... Algorithm #Sodium #nephrology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology #Diagnosis #Differential ... #Nephrology #UOsm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup ... Hypernatremia #Differential ... #Diagnosis #Workup ... #Algorithm #nephrology
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
with polyuria UOsm ... 2 × (Na + K) = UOsm ... × (Na + K) << UOsm ... #polyuria #differential ... #diagnosis #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
• ADH Present (Uosm ... be high or low Uosm ... • ADH Present (Uosm ... #Hyponatremia #differential ... table #sodium #nephrology
Differential Diagnosis of Acute Kidney Injury 

#Diagnosis #Nephrology #AKI #Acute #KidneyInjury #Causes #Differential #Workup #Algorithm #Ddxof
Differential Diagnosis ... #Diagnosis #Nephrology ... KidneyInjury #Causes #Differential ... #Workup #Algorithm
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... BMP • Serum Osm ... • Urine Osm ... #Hyponatremia #Differential ... Diagnosis #Table #nephrology