11 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... #Differential # ... Diagnosis #Causes #nephrology ... #sodium #high
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
HypoNatremia Algorithm ... (Serum Na+ < 135 ... meq/L, serum Osm ... #Nephrology #Differential ... #Hypotonic
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... and serum uric ... low, uric acid high ... #Differential # ... #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Acid → SIADH - High ... #Differential # ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
free water loss, Serum ... Sodium >145 mmol ... /L High Urine Osmolality ... 300 mmol/kg • Hypertonic ... #Nephrology #Differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... diuresis can be high ... differential #diagnosis ... #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Algorithm Isotonic ... polydipsia • Hypervolemia ... #causes #nephrology ... #sodium #low
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check ... serum osmolality ... status, urine sodium ... #differential # ... hyponatremia #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
1) Is it hypotonic ... Calculate serum ... #Differential # ... Treatment #management #nephrology ... #sodium
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... urine osm (in DI; high ... risk for cerebral edema ... Treatment #management #nephrology ... #sodium