135 results
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... ≥ POsm - Vasopressin-Dependent ... Cortisol deficiency UOsm ... @NephroMD #hyponatremia
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Based Approach to Hyponatremia ... #Hyponatremia #Algorithm ... Differential #Nephrology #UOsm
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... irrigants Hypotonic Hyponatremia ... : • ADH ON (UOsm ... wasting • ADH OFF (UOsm
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Hypernatremia - ... presenting with hypernatremia ... Step 2: Check Uosm ... using initial Uosm ... DrEricStrong #Hypernatremia
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... • ADH Present (Uosm ... be high or low Uosm ... Physiologic #Hypotonic #Hyponatremia
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Consider whether Posm ... Step 2: Check Uosm ... DrEricStrong #Hyponatremia
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... ) Euvolemic • UOsm ... Toast Diet • UOsm ... UnremarkableLab #Hyponatremia
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... #2 - Assess the Uosm ... DrEricStrong #Hypernatremia
Visualizing Hypotonic Hyponatremia

 • UNa reveals RAAS activity.
 • UOsm reveals ADH activity.
 • ADH secretion
Visualizing Hypotonic Hyponatremia ... • UOsm reveals ... #Hypotonic #Hyponatremia
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
Hyponatremia Treatment ... reversible - If Uosm ... DrEricStrong #Hyponatremia