42 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... and Workup Step ... EUVOLEMIC • SIADH ... #Diagnosis #Workup ... #Algorithm #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Low Uric Acid → SIADH ... Diagnosis #Algorithm #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... → Increased urine ... #SaltWasting #SIADH ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... → Refer to Nephrology ... cystoscopy • Refer ... to Nephrology if ... Diagnosis #Algorithm #Workup
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... uric acid >4 • Urine ... uric acid <4 • SIADH ... SatyaPatelMD #Volume #Hyponatremia ... #sodium #low #nephrology
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 ... Algorithm #Diagnosis #Nephrology
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 ... Evaluation #Algorithm #nephrology
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 ... - Urine sodium ... Algorithm #Diagnosis #Nephrology
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Check Uosm and/or Urine ... tests Step 5: If SIADH ... DrEricStrong #Hyponatremia ... #Diagnosis #Workup
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 ... #FENa #FEUrea #Nephrology