4 results
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
body water in comparison ... in the renal tubules ... concentration (UNa ... #Hypovolemia #EBV ... SIADH #Thiazides #UNAa
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... loss from tubules ... Hypovolaemia → ADH ... Pathophysiology #diagnosis #nephrology ... #hyponatremia #comparison
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
pain, primary lung ... promoting passive sodium ... Saline: • If Urine osmolality ... antagonists: • Blocks ADH ... #hyponatremia #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
promoting passive sodium ... NS • If Urine osmolality ... < 538 AND UNa + ... vaptans) • Blocks ADH ... #hyponatremia #nephrology