22 results
True Hyponatremia Differential Algorithm

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

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... , Cushing syndrome ... #Differential # ... #sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Uric Acid - Low ... Acid → SIADH - High ... #Differential # ... #sodium #low #uricacid
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... water loss, Serum Sodium ... >145 mmol/L High ... mannitol, glucosuria Low ... #Nephrology #Differential
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
- Differential ... vasoconstriction syndrome ... Traumatic brain injury ... Hyperglycemia, Hyponatremia ... Algorithm #Causes #neurology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... urine osm (in DI; high ... , Dehydration: neurologic ... Diabetes Insipidus: neurogenic ... #sodium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Tea and Toast Syndrome ... Beer Potomania - Low ... Treat with a high ... #Differential #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: SIADH, Renal Sodium ... diuresis can be high ... Cirrhosis, Nephrotic syndrome ... #differential # ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
approach to the differential ... demyelination syndrome ... of symptomatic (seizures ... #Differential # ... #sodium