17 results
diagnosis hyponatremia differential management causes low pathophysiology table workup acute cerebral chronic comparison diuretics excretion gitelman hypokalemia hypotonic medications physiologic
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 ... , Renal Sodium loss ... : Hypovolemia, Hypervolemia ... #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 ... #nephrology #sodium
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Neurological event 2) Sodium ... ) Naturiesis → diuresis ... → Increased urine ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Hypernatremia Diagnosis and Workup Step 1 . Repeat the sodium concentration. Step 2. Check plasma osmolality. NORMAL PLASMA
Repeat the sodium ... volume loss - diuretics ... EUVOLEMIC • SIADH ... Diagnosis #Workup #Algorithm ... #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm 1) Check Urine Osmolality: > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #nephrology #sodium
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... SatyaPatelMD #Volume #Hyponatremia ... #algorithm #diagnosis ... #sodium #low #nephrology
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Algorithm Hypertonic ... OFF (UNa > 30): SIADH ... , Medications (diuretics ... #Algorithm #diagnosis ... #sodium #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L High
water loss, Serum Sodium ... 145 mmol/L High Urine ... administration • Osmotic diuresis ... glucosuria Low Urine ... #Nephrology #Differential
Hyponatremia - Differential Algorithm Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP Hypotonic Hyponatremia: • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Hypovolemia: Diuretics ... • Euvolemia: SIADH ... polydipsia • Hypervolemia ... diagnosis #causes #nephrology ... #sodium #low
Hypernatremia - Differential Diagnosis and Treatment Hypernatremia is almost always due to unreplaced water loss (free water
history, exam, and urine ... DI; high dilute urine ... unavailable 2) Osmotic Diuresis ... #management #nephrology ... #sodium
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