26 results
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Urologic irrigants Hypotonic ... • ADH ON (UOsm ... salt wasting • ADH ... #sodium #nephrology
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 ... : SIADH, Renal Sodium ... differential #diagnosis ... #table #sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Sodium 4) Serum ... #Differential #
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic ... HypoNatremia Algorithm ... Na, Urine Osm ... #Nephrology #Differential ... #Hypotonic
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... sodium and serum ... - Urine sodium ... #Differential # ... Algorithm #Diagnosis
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... water loss, Serum Sodium ... 145 mmol/L High Urine ... 300 mmol/kg • Hypertonic
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
majority of cases, ADH ... 1) Is it hypotonic ... 2) Is ADH elevated ... Measure urine osmolality ... management #nephrology #sodium
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... Neurological event 2) Sodium ... Hypovolaemia → ADH ... → Increased urine ... diagnosis #nephrology #hyponatremia
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Algorithm 1) Check ... osmolality 3) ADH ... volume status, urine ... sodium, uric acid ... #differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm ... Hypo-osmolar urine ... #Diagnosis #Algorithm