40 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... mmol/L - true hyponatremia ... EUVOLEMIC • SIADH ... Workup #Algorithm #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 3) Urine Sodium ... Low Uric Acid → SIADH ... Diagnosis #Algorithm #nephrology ... #sodium #low #uricacid
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Neurological event 2) Sodium ... #SaltWasting #SIADH ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... insipidus • Nephrogenic ... administration #Hypernatremia ... Diagnosis #Causes #nephrology ... #sodium #high
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... OFF (UNa > 30): SIADH ... Algorithm #diagnosis #sodium ... #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia ... examination, check urine sodium ... acid: - Urine sodium ... - Urine sodium ... Algorithm #Diagnosis #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... SatyaPatelMD #Volume #Hyponatremia ... algorithm #diagnosis #sodium ... #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Extrarenal Hypernatremia ... insipidus (central or nephrogenic ... Workup #Algorithm #nephrology ... #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... , Renal Sodium loss ... diagnosis #table #sodium ... #nephrology
Hyponatremia Differential Diagnosis Algorithm

By Dr. Khudhur Mohammed @khudhur_moh

#Hyponatremia #Differential #Diagnosis #Algorithm #sodium #nephrology
Hyponatremia Differential ... khudhur_moh #Hyponatremia ... Diagnosis #Algorithm #sodium ... #nephrology