13 results
nephrology diagnosis differential acute causes cerebral chronic ebv hypotonic hypovolemia low osmolality pathophysiology physiologic polydipsia potomania primary rhabdomyolysis saltwasting table
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... RAAS Inactive ... , Renal Sodium loss ... : Hypovolemia, Hypervolemia
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Algorithm Hypertonic ... : • ADH ON (UOsm ... > 100): - RAAS ... OFF (UNa > 30): SIADH ... #sodium #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Sodium 4) Serum ... Low Uric Acid → SIADH
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Neurological event 2) Sodium ... Hypovolaemia → ADH ... → Increased urine ... diagnosis #nephrology #hyponatremia ... #comparison
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
body water in comparison ... activation of RAAS ... Measured urine sodium ... #hyponatremia #ADH ... EBV #potomania #SIADH
Hyponatremia Treatment Algorithm CHF, Cirrhosis - Fluid restriction SIADH - Fluid restriction - Consider salt tablets if etiology
Hyponatremia Treatment ... Fluid restriction SIADH ... status turns off ADH ... #Treatment #Algorithm ... #Management
Management of SIADH Treat underlying cause: • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... promoting passive sodium ... Saline: • If Urine ... #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 ... 0.9% NS • If Urine ... vaptans) • Blocks ADH ... #Management #hyponatremia
Hyponatremia - Diagnosis and Treatment Hyponatremia is usually caused by the inability to excrete water normally.
majority of cases, ADH ... 2) Is ADH elevated ... Measure urine osmolality ... #management #nephrology ... #sodium
Management of Hyponatremia Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125 Give
Management of Hyponatremia ... Normalizes in SIADH ... • IF SIADH — ... #Management #algorithm ... #treatment #sodium
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