11 results
diagnosis nephrology algorithm management table cancer causes cerebral comparison criticalcare ebv hyperacute hypotonic hypoxemia hypoxia oncology osmolality pathophysiology physiologic potomania
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
(Uosm ≥100): SIADH ... , Renal Sodium loss ... solute intake, UNa ... , Hypervolemia with ... #differential #
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
: • ADH ON (UOsm ... - RAAS ON (UNa ... < 30): Hypovolemia ... > 30): SIADH, Medications ... Algorithm #diagnosis #sodium
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Salt Wasting vs SIADH ... Neurological event 2) Sodium ... → ADH → water reabsorption ... 5) ↓ Na+ → Subclinical ... diagnosis #nephrology #hyponatremia
Hyponatremia - Differential Diagnosis Algorithm Hypovolemic - Give volume Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm Hypovolemic ... • UOsm > 300 - ADH ... , SSRIs) - SIADH ... diagnosis #nephrology #sodium
Hyponatremia - Differential Diagnosis by Mechanism Decr Blood Pressure (“Decr Effective Circulating Volume”) - Volume depletion
Hyponatremia - Differential ... Inappropriate ADH ... secretion (SIADH ... carcinoma of the lung ... Table #Causes #Sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
osmolality helps to differentiate ... hypervolemic, hypovolemic ... #hyponatremia #ADH ... #RAAS #Hypovolemia ... EBV #potomania #SIADH
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 ... Pain, Primary lung ... promoting passive sodium ... osmolality < 538 AND UNa ... vaptans) • Blocks ADH
Management of Hyponatremia Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125 Give
Management of Hyponatremia ... Normalizes in SIADH ... • IF SIADH — ... give specific treatment ... #sodium
Hyponatremia Differential Diagnosis Algorithm in Cancer UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Hyponatremia Differential ... appropriate • Hypovolemia ... inappropriate • SIAD ... tumors, brain or lung ... #Differential #
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