31 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... insipidus • Nephrogenic ... Diagnosis #Causes ... #nephrology #sodium
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... #Differential # ... Diagnosis #Table ... #nephrology #sodium
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... trauma (a.k.a. neurogenic ... exacerbation (any cause ... flow) - Massive pulmonary ... #Table #CriticalCare
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Shock - Differential ... Diagnosis Algorithm ... Burns • Neurogenic ... Sounds • Pulmonary ... #causes
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential ... Diagnosis GI losses ... Insensible losses Sodium ... Diagnosis #Table ... #Causes
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... Pulmonary Diseases ... #diagnosis #nephrology ... #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... #Differential # ... Diagnosis #Workup ... #Algorithm #nephrology ... #sodium
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Differential Diagnosis ... valvulopathy • Pulmonary ... obstruction • Pulmonary ... insufficiency • Neurogenic ... #shock #causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... Diagnosis Algorithm ... water loss, Serum Sodium ... #Nephrology #Differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... Diagnosis by Mechanism ... hemorrhage) - Pulmonary ... Diagnosis #Table ... #Causes #Sodium