5 results
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... reabsorption 5) ↓ Na ... Pathophysiology #diagnosis ... #nephrology #hyponatremia ... #comparison
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
- RAAS ON (UNa ... - RAAS OFF (UNa ... > 30): SIADH, Medications ... #diagnosis #sodium ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... , Renal Sodium loss ... #differential #diagnosis ... #table #sodium ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
acid >4 • Urine Na ... uric acid <4 • SIADH ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Hyponatremia Differential Diagnosis ... Algorithm in Cancer ... inappropriate • SIAD ... tumors, brain or lung ... #nephrology #oncology