50 results
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Sulfa Crystals on ... Urine Microscopy ... cause of acute renal ... Especially sulfonamides are ... crystalluria #clinical #nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
sodium excretion ... differentiate between pre-renal ... and intrinsic renal ... performance for diagnosing ... AcuteKidneyInjury #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Osmolarity 2) Urine ... Osmolarity 3) Urine ... Sodium 4) Serum ... High Uric Acid → renal ... #Algorithm #nephrology
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
(FENa) = (Urine ... / (Serum Na+ x Urine ... suggests ATN - Dr ... #nephrology #calculation ... #diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Na <20: Extra-renal ... Na >30: Renal losses ... Na > 30: Renal ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... Red cell casts - Diagnostic ... - Some crystals ... Microscopy #Atlas #key #diagnosis ... #nephrology #casts
Hyperkalemic Distal Renal Tubular Acidosis (RTA) Type 4 - 

Failure to acidify urine in collecting duct
Hyperkalemic Distal Renal ... Failure to acidify urine ... collecting duct due ... #Hyperkalemic #Diagnosis ... #Management #Nephrology
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
Distal Renal Tubular ... much easier to diagnosis ... with direct urine ... pH <5.5 - Dr ... #Management #Nephrology
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Renal Tubular Acidosis ... - Differential Diagnosis ... , Pentamidine Dr ... #Differential #Diagnosis ... #Algorithm #nephrology
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... → Increased urine ... therapy → rare - Dr ... Pathophysiology #diagnosis ... #nephrology #hyponatremia