12 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Osmolarity 2) Urine ... Sodium 4) Serum ... Low Uric Acid → SIADH ... Diagnosis #Algorithm #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 ... → 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 ... uric acid <4 • SIADH ... SatyaPatelMD #Volume #Hyponatremia ... algorithm #diagnosis #sodium ... #low #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... , SSRIs) - SIADH ... Algorithm #diagnosis #nephrology ... #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... volume-based algorithm Urine ... restriction alone in SIADH ... , Renal Sodium loss ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... 145 mmol/L High Urine ... glucosuria Low Urine ... #Nephrology #Differential
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
administered • This can cause ... promoting passive sodium ... 0.9% NS • If Urine ... #Management #hyponatremia ... #nephrology #treatment
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Algorithm Isotonic Hyponatremia ... • Euvolemia: SIADH ... Algorithm #diagnosis #causes ... #nephrology #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
is usually caused ... Measure urine osmolality ... the underlying cause ... Treatment #management #nephrology ... #sodium