46 results
Algorithm for Management of SIADH with Fluid Restriction and Urea

by Helbert Rondon, MD @NephroMD

#SIADH #Management #algorithm
Algorithm for Management ... of SIADH with Fluid ... @NephroMD #SIADH ... #Management #algorithm ... treatment #urea #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Uric Acid - Low ... Uric Acid → SIADH ... #nephrology #sodium ... #low #uricacid
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Inappropriate - Consider: SIADH ... Primary polydipsia, Low ... #differential #algorithm ... #causes #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Differential Diagnosis Algorithm ... Beer Potomania - Low ... insufficiency, SIADH ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... OFF (UNa > 30): SIADH ... Primary polydipsia, Low ... #Hyponatremia #Algorithm ... diagnosis #sodium #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... diagnosis #sodium #low ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... restriction alone in SIADH ... Present (Uosm ≥100): SIADH ... can be high or low ... table #sodium #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... overload Urea powder ... SatyaPatelMD #SIADH ... #hyponatremia #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... - Urine sodium low ... and uric acid low ... #Differential #Algorithm ... #Diagnosis #Nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... underlying cause of SIADH ... Urea powder • Induces ... SatyaPatelMD #SIADH ... #hyponatremia #nephrology