21 results
diagnosis differential management causes hypernatremia workup cerebral comparison hypotonic oncology pathophysiology physiologic primary saltwasting table true uricacid volume
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... water retention 1) ... Uric Acid → SIADH ... #nephrology #sodium
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
uric acid <4 • SIADH ... Hypothyroidism, Low ... deficiency, Primary polydipsia ... #algorithm #diagnosis ... #sodium #low #nephrology
True Hyponatremia Differential Algorithm Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... sodium low, uric ... - Urine sodium ... and uric acid low ... #Diagnosis #Nephrology
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Algorithm Hypertonic ... OFF (UNa > 30): SIADH ... 100): Primary polydipsia ... , Low solute intake ... #sodium #nephrology
Hypernatremia Diagnosis and Workup Step 1 . Repeat the sodium concentration. Step 2. Check plasma osmolality. NORMAL PLASMA
Workup Step 1 ... Repeat the sodium ... EUVOLEMIC • SIADH ... • psychogenic polydipsia ... #Nephrology
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 ... Na >1 is predictive ... intake (Primary polydipsia ... #nephrology
Hyponatremia Diagnosis Algorithm UOsm ≥ POsm - Vasopressin-Dependent • UNa < 20 mEq/L - Appropriate (↓ EABV)
Algorithm UOsm ... Inappropriate - Consider: SIADH ... Consider: Primary polydipsia ... , Low solute intake ... #causes #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 1) Neurological event 2) Sodium loss from tubules 3) Naturiesis →
Pathophysiology 1) ... Neurological event 2) Sodium ... → Increased urine ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #
Hyponatremia Treatment Algorithm CHF, Cirrhosis - Fluid restriction SIADH - Fluid restriction - Consider salt tablets if etiology
Hyponatremia Treatment ... Fluid restriction SIADH ... water diuresis) 1° ... polydipsia - Normalize ... #Treatment #Algorithm
Hyponatremia - Differential Diagnosis Algorithm ADH Independent: • Tea and Toast Syndrome, Beer Potomania - Low solute
Diagnosis Algorithm ... Beer Potomania - Low ... • Psychogenic Polydipsia ... insufficiency, SIADH ... #causes #nephrology
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