17 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Utilizing Uric Acid ADH ... 3) Urine Sodium ... Uric Acid - Low ... #low #uricacid
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... asymptomatic to seizures ... stimulated in states of low ... activated in states of low ... #hyponatremia #ADH
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... /L High Urine Osmolality ... mannitol, glucosuria Low ... Urine Osmolality
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 ... of symptomatic (seizures ... management #nephrology #sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... : • ADH ON (UOsm ... salt wasting • ADH ... Primary polydipsia, Low ... Algorithm #diagnosis #sodium
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Hyponatremia Diagnostic ... 1) Check serum osmolality ... 2) Check urine osmolality ... 3) ADH Dependent ... status, urine sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... : SIADH, Renal Sodium ... can be high or low ... Primary polydipsia), Low ... diagnosis #table #sodium
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... Neurological event 2) Sodium ... Hypovolaemia → ADH ... SaltWasting #SIADH #Pathophysiology ... diagnosis #nephrology #hyponatremia
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... 1) Check Urine Osmolality ... Extrarenal Hypernatremia ... • Euvolemic (Low ... Algorithm #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... Saline: • If Urine osmolality ... antagonists: • Blocks ADH ... SIADH #Management #hyponatremia