43 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
sodium and serum ... sodium low, uric ... sodium high and ... Differential #Algorithm #Diagnosis ... #Nephrology
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion of Sodium ... (FENa) = (Urine ... / (Serum Na+ x Urine ... #nephrology #calculation ... #diagnosis
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Sodium 4) Serum ... #Algorithm #nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
- Checklist Urine ... sodium excretion ... fractional excretion of sodium ... performance for diagnosing ... AcuteKidneyInjury #Nephrology
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential Diagnosis ... Serum Osm • Urine ... #Differential #Diagnosis ... #Table #nephrology ... #sodium
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
syndrome - Na-K-2Cl ... cell epithelial sodium ... of epithelial sodium ... Defects #Kidney #Nephrology ... #Diagnosis #Differential
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... Extra-renal losses • Urine ... uric acid >4 • Urine ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... → Increased urine ... Pathophysiology #diagnosis ... #nephrology #hyponatremia
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
White Matter is Darker ... White Matter is Darker ... Devpriyo Pal @drdevrad ... clinical #radiology #diagnosis ... #neurology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
- Differential Diagnosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #Differential #Diagnosis ... #Algorithm #nephrology