1384 results
Algorithm for Management of SIADH with Fluid Restriction and Urea

by Helbert Rondon, MD @NephroMD

#SIADH #Management #algorithm
Management of SIADH ... @NephroMD #SIADH ... treatment #urea #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... #SaltWasting #SIADH ... Pathophysiology #diagnosis #nephrology
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Inappropriate - Consider: SIADH ... algorithm #causes #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Low Uric Acid → SIADH ... Diagnosis #Algorithm #nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Dehydration • SIADH ... #differential #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
insufficiency, SIADH ... Algorithm #causes #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid <4 • SIADH ... #sodium #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
OFF (UNa > 30): SIADH ... diagnosis #sodium #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 ... SatyaPatelMD #SIADH ... #hyponatremia #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
, SSRIs) - SIADH ... Algorithm #diagnosis #nephrology