109 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
ADH promotes Urea ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... Sodium 4) Serum ... Diagnosis #Algorithm #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
sodium and serum ... uric acid: - Urine ... sodium low, uric ... sodium high and ... Algorithm #Diagnosis #Nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Wasting vs SIADH - Pathophysiology ... Neurological event 2) Sodium ... → Increased urine ... SaltWasting #SIADH #Pathophysiology ... #diagnosis #nephrology
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion of Sodium ... Fractional Excretion of Sodium ... (FENa) = (Urine ... / (Serum Na+ x Urine ... #nephrology #calculation
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... Precipitation => • Urate ... Nephropathy (low urine ... nephropathy (high urine
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
- Checklist Urine ... believed that urine ... sodium excretion ... fractional excretion of sodium ... AcuteKidneyInjury #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... Cirrhosis, Nephrotic syndrome ... • Urine Na > 30 ... algorithm #diagnosis #sodium ... #low #nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... dysmorphic RBCs in urine ... Nephritic #Nephrotic #Syndrome ... Comparison #Algorithm #Nephrology
HepatoRenal Syndrome - Pathophysiology

Dr. Edgar V. Lerma @edgarvlermamd - Nephrology Secrets https://amzn.to/34t5DgJ

#HRS #HepatoRenal #Syndrome #Pathophysiology #Diagnosis
HepatoRenal Syndrome ... - Pathophysiology ... edgarvlermamd - Nephrology ... #HepatoRenal #Syndrome ... #Pathophysiology
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
in cardiorenal syndrome ... hypertrophy • Sodium ... #cardiorenal #syndrome ... #Mechanisms #pathophysiology ... #nephrology