26 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 ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Low Uric Acid → SIADH ... #nephrology #sodium
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Cirrhosis • UNa ... Inappropriate - Consider: SIADH ... #differential #algorithm ... #causes #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #Nephrology #Causes
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Diagnostic Evaluation Algorithm ... Check Uosm and/or Urine ... status and measure UNa ... tests Step 5: If SIADH ... Workup #Evaluation #Algorithm
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... uric acid <4 • SIADH ... uric acid >4 • Urine ... #Hyponatremia #algorithm ... #sodium #low #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... Urinary Chloride Algorithm ... responsive metabolic alkalosis ... Urine chloride is ... #Algorithm #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... - RAAS ON (UNa ... > 30): SIADH, Medications ... #Hyponatremia #Algorithm ... diagnosis #sodium #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Hypovolemia, UNa ... and metabolic alkalosis ... Differential #Diagnosis #Algorithm ... #Causes #nephrology