27 results
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 ... #Algorithm #Nephrology
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic ... HypoNatremia Algorithm ... #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: ... #sodium #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia ... and hypervolemic hyponatremia ... - Urine sodium ... low in euvolemic hyponatremia ... kidney_boy #True #Hyponatremia
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Hypernatremia ... water loss, Serum Sodium ... 300 mmol/kg • Hypertonic ... Hyperventilation #Hypernatremia
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Serum Osmolarity 2) ... 3) Urine Sodium ... Rachel Stern MD #Hyponatremia ... #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Extrarenal Hypernatremia ... Ingestion Renal Hypernatremia ... MatthewHoMD #Hypernatremia ... #Algorithm #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Hyponatremia: Hyperlipidemia ... Hyponatremia: ... Hyponatremia: Hyperglycemia ... #sodium #low
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diabetes Insipidus Workup ... history Step #2 ... DrEricStrong #Hypernatremia ... #Sodium #nephrology
Hypernatremia - Diagnostic Evaluation Algorithm
Step 1: Consider history. Most patients presenting with hypernatremia are either very
Hypernatremia - ... presenting with hypernatremia ... Step 2: Check Uosm ... DrEricStrong #Hypernatremia ... #Sodium