12 results
differential algorithm treatment low comparison hypernatremia hypotonic lazy manifestations neurology neuromyelitis nmo optica pathophysiology physiologic polydipsia primary saltwasting signs symptoms
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Cerebral Salt Wasting ... Neurological event 2) Sodium ... → Increased urine ... Pathophysiology #diagnosis ... #nephrology #hyponatremia
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
Based Approach to Hyponatremia ... Renal losses, Cerebral ... uric acid <4 • SIADH ... #algorithm #diagnosis ... #sodium #low #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Sodium 4) Serum ... Low Uric Acid → SIADH ... #Algorithm #nephrology
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Modified Hyponatremia ... OFF (UNa > 30): SIADH ... Reset osmostat, Cerebral ... #Algorithm #diagnosis ... #sodium #nephrology
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
volume-based algorithm Urine ... , Renal Sodium loss ... Insufficiency, Cerebral ... #differential #diagnosis ... #nephrology
A lazy man's classification of hyponatremia There are two possible approaches to the diagnosis of hyponatremia: .
serum osmolality, urine ... osmolality and urinary sodium ... the patient has SIADH ... or cerebral salt ... #Diagnosis #Hyponatremia
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
promoting passive sodium ... 0.9% NS • If Urine ... Hypotension, Increased urine ... #Management #hyponatremia ... #nephrology #treatment
Hypernatremia - Differential Diagnosis and Treatment Hypernatremia is almost always due to unreplaced water loss (free water
history, exam, and urine ... DI; high dilute urine ... patients at risk for cerebral ... #Treatment #management ... #nephrology #sodium
Neuromyelitis Optica (NMO) - Clinical Manifestations • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... eye movement • Cerebral ... e.g. narcolepsy, SIADH ... syndrome, Myasthenia gravis ... Manifestations #diagnosis
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