7 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... restriction alone in SIADH ... or Ineffective (UNa ... , Renal Sodium loss ... solute intake, UNa
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... - RAAS ON (UNa ... - RAAS OFF (UNa ... > 30): SIADH, Medications ... #diagnosis #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... pain, primary lung ... promoting passive sodium ... osmolality < 538 AND UNa ... SatyaPatelMD #SIADH
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... underlying cause of SIADH ... Pain, Primary lung ... promoting passive sodium ... osmolality < 538 AND UNa
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
acid >4 • Urine Na ... losses • Urine Na ... uric acid <4 • SIADH ... #Hyponatremia #algorithm ... #diagnosis #sodium
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
severe symptoms + Na ... Normalizes in SIADH ... • IF SIADH — ... Hyponatremia #Management #algorithm ... #treatment #sodium
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Differential Diagnosis Algorithm ... Vasopressin-dependent - UNa ... following HSCT) - UNa ... inappropriate • SIAD ... tumors, brain or lung