14 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
low, uric acid ... high in hypovolemic ... low in euvolemic ... Differential #Algorithm #Diagnosis ... #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential Diagnosis ... insipidus • Nephrogenic ... #Causes #nephrology ... #sodium #high
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Acid → SIADH - High ... #Algorithm #nephrology ... #sodium #low #uricacid
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... #Differential #Diagnosis ... Workup #Algorithm #nephrology ... #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... water loss, Serum Sodium ... >145 mmol/L High ... mannitol, glucosuria Low ... #Nephrology #Differential
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 ... sensitivity in kidneys ... #Table #Causes
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects in Kidney ... cell epithelial sodium ... of epithelial sodium ... #Nephrology #Diagnosis ... #Differential #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: SIADH, Renal Sodium ... diuresis can be high ... #differential #diagnosis ... #table #sodium ... #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... urine osm (in DI; high ... Diabetes Insipidus: neurogenic ... Treatment #management #nephrology ... #sodium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... settings, the urine sodium ... the excretion of sodium ... urine #Algorithm #nephrology ... #differential #diagnosis