128 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
and Features of Hyponatremia ... Hypervolemic hypernatremia ... Normovolemic hyponatremia ... Drugs - SIADH Renal ... hypovolemic hyponatremia
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Na <20: Extra-renal ... Na >30: Renal losses ... Na > 30: Renal ... SatyaPatelMD #Volume #Hyponatremia
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... High Uric Acid → renal ... Rachel Stern MD #Hyponatremia
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia ... examination, check urine ... uric acid: - Urine ... and hypervolemic hyponatremia ... - Urine sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... HYPOVOLEMIC • extra-renal ... - fevers • renal ... failure #Hypernatremia
Hyponatremia - Differential Diagnosis and Evaluation Algorithm
In addition to edema and urine concentration, always consider urine
Hyponatremia - Differential ... addition to edema and urine ... always consider urine ... when evaluating hyponatremia ... amzn.to/3rEtbK8 #Hyponatremia
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypo-osmolar Hypotonic HypoNatremia ... Status, Check Urine ... Na, Urine Osm ... #Hyponatremia
Urine Electrolyte Interpretation - AKI, Hyponatremia, Hypokalemia and Non-Gap Metabolic Acidosis

#Urine #Electrolytes #Interpretation #ULytes #AKI #FENa
Urine Electrolyte ... Interpretation - AKI, Hyponatremia ... Metabolic Acidosis #Urine
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Algorithm 1) Check Urine ... mOsm/kg - Implies renal ... , Ingestion Renal ... Hypernatremia:
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... GI losses • Renal ... Hypo-osmolar urine ... osmole intake #Hyponatremia