28 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
acid: - Urine sodium ... low, uric acid ... - Urine sodium ... and uric acid low ... Differential #Algorithm #Diagnosis
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... insipidus (central or nephrogenic ... #Differential #Diagnosis ... Algorithm #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential Diagnosis ... insipidus • Nephrogenic ... #Differential #Diagnosis ... Causes #nephrology #sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 3) Urine Sodium ... Uric Acid - Low ... #low #uricacid
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
- Differential Diagnosis ... by Classification ... trauma (a.k.a. neurogenic ... obstruction to blood flow ... #Table #CriticalCare
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Hypervolemic hypernatremia ... Gestational DI, Nephrogenic ... #Classification ... #Features #Diagnosis
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
Shock Types and Classification ... toxins, spinal/neurogenic ... #Shock #Types #Classification ... #diagnosis #differential ... #criticalcare
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential Diagnosis ... water loss, Serum Sodium ... mannitol, glucosuria Low ... #Differential #Diagnosis
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... Primary polydipsia, Low ... #Algorithm #diagnosis ... #sodium #nephrology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... - Differential Diagnosis ... Insensible losses Sodium ... congenital disorders Nephrogenic ... #Differential #Diagnosis