8 results
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
: • ADH ON (UOsm ... > 30): SIADH, Medications ... Reset osmostat, Cerebral ... Algorithm #diagnosis #sodium ... #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... Hypovolaemia → ADH ... reabsorption 5) ↓ Na ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
or Ineffective (UNa ... (Uosm ≥100): SIADH ... Insufficiency, Cerebral ... #differential # ... #nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... secretion (SIADH ... carcinoma of the lung ... osmostat - Cerebral ... Table #Causes #Sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... promoting passive sodium ... antagonists: • Blocks ADH ... #Management #hyponatremia ... #nephrology #treatment
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... promoting passive sodium ... vaptans) • Blocks ADH ... #Management #hyponatremia ... #nephrology #treatment
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
osmolality helps to differentiate ... consequence of cerebral ... #hyponatremia #ADH ... EBV #potomania #SIADH ... #Thiazides #UNAa
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... Water (TBW) x (([Na ... patients at risk for cerebral ... #management #nephrology ... #sodium