10 results
hyponatremia differential management treatment cancer causes cerebral comparison hypernatremia hypotonic low oncology pathophysiology physiologic saltwasting table workup
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine ... , Renal Sodium loss ... #differential #diagnosis ... #table #sodium ... #nephrology
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
Volume Based Approach ... uric acid <4 • SIADH ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Salt Wasting vs SIADH ... Neurological event 2) Sodium ... reabsorption 5) ↓ Na ... Pathophysiology #diagnosis ... #nephrology #hyponatremia
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
- RAAS ON (UNa ... > 30): SIADH, Medications ... polydipsia, Low solute ... #diagnosis #sodium ... #nephrology
Hyponatremia Diagnosis Algorithm UOsm ≥ POsm - Vasopressin-Dependent • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Inappropriate - Consider: SIADH ... polydipsia, Low solute ... #causes #nephrology
Management of SIADH Treat underlying cause: • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... pain, primary lung ... administered • Can cause volume ... promoting passive sodium ... #hyponatremia #nephrology
Hyponatremia - Differential Diagnosis Algorithm Hypovolemic - Give volume Hypervolemic (Edematous) - Look for and treat underlying cause
Algorithm Hypovolemic ... - Give volume Hypervolemic ... , SSRIs) - SIADH ... #Algorithm #diagnosis ... #nephrology #sodium
Hypernatremia Diagnosis and Workup Step 1 . Repeat the sodium concentration. Step 2. Check plasma osmolality. NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... EUVOLEMIC • SIADH ... #Workup #Algorithm ... #Nephrology
SIADH Treatment Options 1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... Pain, Primary lung ... This can cause volume ... promoting passive sodium ... #hyponatremia #nephrology
Hyponatremia Differential Diagnosis Algorithm in Cancer UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Hyponatremia Differential Diagnosis ... Algorithm in Cancer ... inappropriate • SIAD ... tumors, brain or lung ... #nephrology #oncology
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