19 results
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
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic ... Urologic irrigants Hypotonic ... #Algorithm #diagnosis ... #sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Hyponatremia The ... : SIADH, Renal Sodium ... differential #diagnosis ... #table #sodium ... #nephrology
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... #Differential #Diagnosis ... #Table #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 ... 300 mmol/kg • Hypertonic ... #Nephrology #Differential ... #Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... insipidus (central or nephrogenic ... #Differential #Diagnosis ... Workup #Algorithm #nephrology ... #sodium
Visualizing Hypotonic Hyponatremia

 • UNa reveals RAAS activity.
 • UOsm reveals ADH activity.
 • ADH secretion
Visualizing Hypotonic ... Hyponatremia ... #Hyponatremia # ... Graph #nephrology ... #diagnosis #sodium
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
, Recent TURP Hypotonic ... Hypothyroidism Hypertonic ... Differential #Algorithm #diagnosis ... #causes #nephrology ... #sodium #low
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... Neurological event 2) Sodium ... SaltWasting #SIADH #Pathophysiology ... #diagnosis #nephrology ... #hyponatremia #
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 ... #Differential #Diagnosis ... #Table #Causes