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

Hypervolemic hypernatremia 
 - CHF
- Nephrotic syndrome ... - Acute and ... - Drugs - SIADH ... - Diuretics ... Differential #Diagnosis #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
restriction alone in SIADH ... , Renal Sodium loss ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... Neurological event 2) Sodium ... ) Naturiesis → diuresis ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... volume loss - diuretics ... EUVOLEMIC • SIADH ... • nephrotic syndrome ... Workup #Algorithm #Nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cirrhosis, Nephrotic syndrome ... OFF (UNa > 30): SIADH ... , Medications (diuretics ... Algorithm #diagnosis #sodium ... #nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
and Features According ... - Cushing's syndrome ... , Loop diuretics ... Diagnosis #Comparison #Table ... #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
• Hypovolemic: Diuretics ... osmotic (solute) diuresis ... , Cushing syndrome ... Workup #Algorithm #nephrology ... #sodium
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... Cirrhosis, Nephrotic syndrome ... algorithm #diagnosis #sodium ... #low #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... cirrhosis, nephrotic syndrome ... , SSRIs) - SIADH ... Algorithm #diagnosis #nephrology ... #sodium
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... )/ 100] x 1.6; and ... MatthewHoMD #Hyponatremia ... #nephrology #sodium