24 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
and Features of Hyponatremia ... According to Volume ... Hypervolemic hypernatremia ... Normovolemic hyponatremia ... Diagnosis #Table #Causes
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Hypovolemic - Give volume ... treat underlying cause ... Stress, Nausea, ... UnremarkableLab #Hyponatremia
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... electrolyte abnormality caused ... body water in comparison ... among the possible causes ... in blood urea causes
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
→ Subclinical volume ... Increased urine volume ... diagnosis #nephrology #hyponatremia ... #comparison
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Effective Circulating Volume ... ”) - Volume depletion ... DrEricStrong #Hyponatremia ... Diagnosis #Table #Causes
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Potomania - Low solute ... Treat with a high solute ... thecurbsiders #Hyponatremia ... Diagnosis #Algorithm #causes
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... vast majority of cases ... particular attention to volume ... Assess volume status ... the underlying cause
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Step 3: Assess volume ... considered likely, the cause ... DrEricStrong #Hyponatremia
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Evaluation of Hyponatremia ... symptoms (HA, nausea ... Assessment of volume ... EM #IM #Nephro #Hyponatremia
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... polydipsia, Low solute ... @NephroMD #hyponatremia ... differential #algorithm #causes