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Pathophysiology of hypotonic hyponatremia

by Helbert Rondon, MD @NephroMD

#hypotonic #hyponatremia #nephrology #algorithm #Pathophysiology
Pathophysiology of hypotonic ... hyponatremia ... @NephroMD #hypotonic ... #hyponatremia # ... nephrology #algorithm
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic ... HypoNatremia Algorithm ... Urine Osm #Hyponatremia ... #Nephrology #Differential ... #Hypotonic
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic ... Hyponatremia: Hyperglycemia ... Hyponatremia: ... SatyaPatelMD #Hyponatremia
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Step 2. ... mmol/L - true hyponatremia ... renal failure #Hypernatremia ... Diagnosis #Workup #Algorithm
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Hyponatremia: Hyperlipidemia ... Hyponatremia: ... Hyponatremia: Hyperglycemia ... MetroHealth_EM #Hyponatremia
Hyponatremia with Severe Symptoms - Management Algorithm with Hypertonic Saline
The goal of acute management is to
Hyponatremia with ... Symptoms - Management Algorithm ... with Hypertonic ... kidney_boy #Hyponatremia ... #Saline #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Hypernatremia ... 300 mmol/kg • Hypertonic ... Hyperventilation #Hypernatremia ... #Nephrology #Differential
Hyponatremia Correction
1. Indications for Hypertonic Saline: seizure, coma, focal findings
   - typically occurs with
Hyponatremia Correction ... Indications for Hypertonic ... increasing Na ~5mEq 2. ... Overcorrection of Hyponatremia ... MetroHealth_EM #Hyponatremia
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... history Step #2 ... DrEricStrong #Hypernatremia ... #Sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Hyponatremia The ... hyponatremia, give ... normal volume-based algorithm ... #Hyponatremia # ... table #sodium #nephrology